1st MID Exam Dates of B.Tech 2Years 2nd Sem of JNTU-KKD
B.Tech 2nd,3rd & 4th Years - From 24th Jan 2011 to 31th Jan 2011
Friday, January 14, 2011
OBJECT ORIENTED PROGRAMMING II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010g
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is an object oriented programming? How is it different from procedure oriented programming?
b) Write a Java program to display the exchange of two given integers using bit-wise operators.
(8+8M)
2. a) What is a class? Compare a concrete class and an abstract class. Give an example of Java code.
b) Compare String class and String Buffer class with an example of fraction of Java program code.
(8+8M)
3. a) What is an Object class? Explain the Object hierarchy.
b) Compare method overloading and method overriding with an example each. (8+8M)
4. a) What is a Java package? What is a CLASSPATH? Explain how to create and access a Java package
with an example.
b) What is an interface? What is its use? Write a Java program to demonstrate implementing, applying,
and extending an interface. (8+8M)
5. a) Can there be a try block without a matching catch block? Give an example. Write a Java program
that illustrates the application of multiple catch statements.
b) What is a thread? What are daemon threads? Explain about thread synchronization in Java.
(8+8M)
6. a) What is an event handling? What is an adapter class? Explain with an example.
b) What is a Layout Manager? Explain the different types of Layout Managers with suitable examples.
(8+8M)
7. a) Write a Java program to pass the parameters to an applet.
b) Write a swing application to create and display the label containing both icon and string.
(8+8M)
8. a) What is a Socket? What are the two important TCP Socket classes? Explain.
b) Write a Java program at server side that will receive a connection from a client, send a string to the
client, and closes the connection. Explain the program. (8+8M)
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is byte code in Java? Why Java does not support pointers? Explain.
b) Write a Java program to reverse a given long integer. (8+8M)
2. a) Write a Java program to covert the given decimal number into binary number using recursion.
b) What are nested classes and inner classes? Demonstrate with an example. (8+8M)
3. a) Distinguish between abstract methods and non-abstract methods with an example.
b) What is dynamic method dispatch? Write a Java program to demonstrate dynamic method dispatch.
(8+8M)
4. a) What is a Java package? What is a CLASSPATH? Explain how to create and access a Java package
with an example.
b) Explain, in detail, the various forms of interface implementations. (8+8M)
5. a) Compare the keywords: throw and throws? Write a Java program to demonstrate throw and throws.
b) Write a Java program that creates two threads. First thread prints the numbers from 1 to 50 and the
other thread prints the numbers from 100 to 50. (8+8M)
6. a) What is an event handling? Name and explain any four event classes available in java.awt.event
package.
b) What is a Layout Manager? Explain the different types of Layout Managers with suitable examples.
(8+8M)
7. a) What is a Java applet? What are the different stages in the life cycle of an applet? Explain.
b) Explain, in detail, the swing controls: TabbedPanes and ScrollPanes with suitable Java code
examples. (8+8M)
8. a) What is a network programming? How are different machines in a network addressed? Explain.
b) What is a port? What is the difference between a port and a socket? Explain with an example.
(8+8M)
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain, in detail, the working of Java Virtual Machine (JVM).
b) What is an anonymous array? Give an example. (8+8M)
2. a) Write a Java program that counts the number of objects created in that Java program.
b) Compare static and final methods. Write a Java program to demonstrate the usage of static and final
methods (8+8M)
3. a) Write a Java program to demonstrate the keyword: super to call super-class constructors.
b) What is dynamic method dispatch? Write a Java program to demonstrate dynamic method dispatch.
(8+8M)
4. a) Explain the difference between an interface and a class with an example each.
b) Explain, in detail, the various forms of interface implementations. (8+8M)
5. a) What is an Exception? How is an Exception handled in Java? Explain the different types of
exceptions in Java.
b) What is a thread? What are daemon threads? Explain, in detail, the thread synchronization in Java.
(8+8M)
6. a) Write a Java program to handle mouse and keyboard events.
b) What is an AWT class? Name and explain any four AWT classes available in java.awt package.
(8+8M)
7. a) Write a Java program to create an Applet with SIX buttons representing your favorite six colors.
When a button is clicked, the background colour must change to the corresponding colour.
b) What is a Swing? What is the difference between Swing and AWT? Describe, in detail, about
various components in Swing. (8+8M)
8. a) What is an IP address? What are the different types of IP addressing? Explain with an example.
b) What is an InetAddress? Write a Java program that demonstrates the concept of InetAddress.
(8+8M)
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is inheritance? Explain the concepts of reusability and extensibility with an example.
b) What is data abstraction? Compare data hiding and data encapsulation with an example.
(8+8M)
2. a) Write a java program to display the integer numbers from 1 to 100 without using loops.
b) Write a Java program to demonstrate constructor overloading. (8+8M)
3. a) What is an Object class? Explain the Object hierarchy.
b) Compare inheritance and polymorphism. Write a Java program to demonstrate the keyword: super to
call super-class constructors. (8+8M)
4. a) Explain, in detail, the process of creating, defining, importing and accessing a package.
b) Write a Java program to demonstrate multiple inheritance using interfaces. (8+8M)
5. a) What is an Exception? How is an Exception handled in Java? Compare checked and unchecked
exceptions in Java?
b) Compare and contrast a process based multitasking and a thread based multitasking. (8+8M)
6. a) What is an event handling? What is an adapter class? Explain with an example.
b) Write a Java program to change the colour of the frame when a button is clicked with the mouse.
(8+8M)
7. a) What is a Java applet? How do applets differ from application programs? Explain with an example.
b) Explain the difference between AWT Controls and Swing Controls in detail with suitable Java Code
examples. (8+8M)
8. a) What is an URL? Explain the URL connection with an example.
b) What is an InetAddress? Write a Java program that demonstrates the concept of InetAddress.
(8+8M)
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is an object oriented programming? How is it different from procedure oriented programming?
b) Write a Java program to display the exchange of two given integers using bit-wise operators.
(8+8M)
2. a) What is a class? Compare a concrete class and an abstract class. Give an example of Java code.
b) Compare String class and String Buffer class with an example of fraction of Java program code.
(8+8M)
3. a) What is an Object class? Explain the Object hierarchy.
b) Compare method overloading and method overriding with an example each. (8+8M)
4. a) What is a Java package? What is a CLASSPATH? Explain how to create and access a Java package
with an example.
b) What is an interface? What is its use? Write a Java program to demonstrate implementing, applying,
and extending an interface. (8+8M)
5. a) Can there be a try block without a matching catch block? Give an example. Write a Java program
that illustrates the application of multiple catch statements.
b) What is a thread? What are daemon threads? Explain about thread synchronization in Java.
(8+8M)
6. a) What is an event handling? What is an adapter class? Explain with an example.
b) What is a Layout Manager? Explain the different types of Layout Managers with suitable examples.
(8+8M)
7. a) Write a Java program to pass the parameters to an applet.
b) Write a swing application to create and display the label containing both icon and string.
(8+8M)
8. a) What is a Socket? What are the two important TCP Socket classes? Explain.
b) Write a Java program at server side that will receive a connection from a client, send a string to the
client, and closes the connection. Explain the program. (8+8M)
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is byte code in Java? Why Java does not support pointers? Explain.
b) Write a Java program to reverse a given long integer. (8+8M)
2. a) Write a Java program to covert the given decimal number into binary number using recursion.
b) What are nested classes and inner classes? Demonstrate with an example. (8+8M)
3. a) Distinguish between abstract methods and non-abstract methods with an example.
b) What is dynamic method dispatch? Write a Java program to demonstrate dynamic method dispatch.
(8+8M)
4. a) What is a Java package? What is a CLASSPATH? Explain how to create and access a Java package
with an example.
b) Explain, in detail, the various forms of interface implementations. (8+8M)
5. a) Compare the keywords: throw and throws? Write a Java program to demonstrate throw and throws.
b) Write a Java program that creates two threads. First thread prints the numbers from 1 to 50 and the
other thread prints the numbers from 100 to 50. (8+8M)
6. a) What is an event handling? Name and explain any four event classes available in java.awt.event
package.
b) What is a Layout Manager? Explain the different types of Layout Managers with suitable examples.
(8+8M)
7. a) What is a Java applet? What are the different stages in the life cycle of an applet? Explain.
b) Explain, in detail, the swing controls: TabbedPanes and ScrollPanes with suitable Java code
examples. (8+8M)
8. a) What is a network programming? How are different machines in a network addressed? Explain.
b) What is a port? What is the difference between a port and a socket? Explain with an example.
(8+8M)
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain, in detail, the working of Java Virtual Machine (JVM).
b) What is an anonymous array? Give an example. (8+8M)
2. a) Write a Java program that counts the number of objects created in that Java program.
b) Compare static and final methods. Write a Java program to demonstrate the usage of static and final
methods (8+8M)
3. a) Write a Java program to demonstrate the keyword: super to call super-class constructors.
b) What is dynamic method dispatch? Write a Java program to demonstrate dynamic method dispatch.
(8+8M)
4. a) Explain the difference between an interface and a class with an example each.
b) Explain, in detail, the various forms of interface implementations. (8+8M)
5. a) What is an Exception? How is an Exception handled in Java? Explain the different types of
exceptions in Java.
b) What is a thread? What are daemon threads? Explain, in detail, the thread synchronization in Java.
(8+8M)
6. a) Write a Java program to handle mouse and keyboard events.
b) What is an AWT class? Name and explain any four AWT classes available in java.awt package.
(8+8M)
7. a) Write a Java program to create an Applet with SIX buttons representing your favorite six colors.
When a button is clicked, the background colour must change to the corresponding colour.
b) What is a Swing? What is the difference between Swing and AWT? Describe, in detail, about
various components in Swing. (8+8M)
8. a) What is an IP address? What are the different types of IP addressing? Explain with an example.
b) What is an InetAddress? Write a Java program that demonstrates the concept of InetAddress.
(8+8M)
Code No: V0524
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OBJECT ORIENTED PROGRAMMING
(Common to CSE, CHEM, IT, ECC)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is inheritance? Explain the concepts of reusability and extensibility with an example.
b) What is data abstraction? Compare data hiding and data encapsulation with an example.
(8+8M)
2. a) Write a java program to display the integer numbers from 1 to 100 without using loops.
b) Write a Java program to demonstrate constructor overloading. (8+8M)
3. a) What is an Object class? Explain the Object hierarchy.
b) Compare inheritance and polymorphism. Write a Java program to demonstrate the keyword: super to
call super-class constructors. (8+8M)
4. a) Explain, in detail, the process of creating, defining, importing and accessing a package.
b) Write a Java program to demonstrate multiple inheritance using interfaces. (8+8M)
5. a) What is an Exception? How is an Exception handled in Java? Compare checked and unchecked
exceptions in Java?
b) Compare and contrast a process based multitasking and a thread based multitasking. (8+8M)
6. a) What is an event handling? What is an adapter class? Explain with an example.
b) Write a Java program to change the colour of the frame when a button is clicked with the mouse.
(8+8M)
7. a) What is a Java applet? How do applets differ from application programs? Explain with an example.
b) Explain the difference between AWT Controls and Swing Controls in detail with suitable Java Code
examples. (8+8M)
8. a) What is an URL? Explain the URL connection with an example.
b) What is an InetAddress? Write a Java program that demonstrates the concept of InetAddress.
(8+8M)
SOFTWARE ENGINEERING II B.Tech II Semester (R07) Regular/supplyExaminations, Apr- 2010,February 2010,
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Common to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Software Engineering is a Layered Technology. Justify?
b) Explain about different Software Myths.
(6+10M)
2. Illustrate Linear Sequential model with example.
(16M)
3. a) Explain about entity-relationship diagram.
b) Explain about requirements elicitation & requirement Validation.
(8+8M)
4. Explain about design concepts of software. (16M)
5. a) Explain about Object Oriented Design Process.
b) What is meant by Object & Object Process
(8+8M)
6. a) What is meant by Black Box testing? Explain graph-based testing method with
example.
b) What is meant by White Box testing?.
(10+6M)
7. a) Explain about function oriented metrics.
b) What is meant by risk table? How to develop a risk table.
(8+8M)
8. Explain about the following
a) Quality control.
b) SQA activities.
c) Software reliability.
(4+6+6M)
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Com. to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about the capability, maturity and model integration.
b) Explain about roles of Software.
(10+6M)
2. a) Explain about incremental process model
b) Explain about Functional requirement of software
(10+6M)
3. Explain about behavioral models with example.
(16M)
4. a) What is meant by software design? Explain about design process of software.
b) What is the primary object of Architectural design and mention the importance
of architectural design.
(10+6M)
5. a) Explain about user interface analysis.
b) Discuss about interface design steps.
(8+8M)
6. a) Explain about a Strategic approach to software testing.
b) Discuss about Validation testing.
(10+6M)
7. a) Explain about extended function point metrics.
b) Explain about RMMM plan.
(8+8M)
8. Explain about the following
a) SQA activities
b) Statistical software quality assurance.
c) ISO 9000 quality standards.
(6+5+5M)
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Com. to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about Team Process model.
b) Explain about different Software myths.
(6+10M)
2. Explain about any two evolutionary software process models.
(16M)
3. Explain about Object models with example.
(16M)
4. a) Explain about different levels of abstraction.
b) Explain about Software architecture.
(8+8M)
5. a) Explain about Object Oriented Design Process.
b) What is meant by Object & Object Process
(8+8M)
6. a) Explain about a different system tests.
b) What is meant by debugging. Explain about different categories of debugging
approaches.
(8+8M)
7. a) Explain about three measures for software quality.
b) Explain about process risks.
(8+8M)
8. Explain about the following
a) Software Quality Assurance.
b) Software reviews.
c) Statistical Quality Assurance.
(6+4+6M)
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Com. to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about different Software Engineering layers.
b) Explain about personal & team process models.
(8+8M)
2. a) Explain about spiral model with a diagram.
b) Explain about non-functional requirements of a software.
(10+6M)
3. Explain about data models.
(16M)
4. a) What is meant by refinement & modularity.
b) Explain about different Architectural Styles & Patterns.
(8+8M)
5. a) Explain about user interface analysis.
b) Discuss about interface design steps.
(8+8M)
6. a) What is meant by software quality ? Explain.
b) Explain about high level design matrix.
(8+8M)
7. a) Explain about size oriented metrics.
b) Explain about technology risk.
c) Explain about product size risks.
(6+5+5M)
8. Explain about the following
a) Software reliability.
b) ISO 9000 quality standards.
c) SQA activities
(6+5+5M)
Code No: 44022 R07 Set No. 2
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Describe in detail
(a) Validation testing
(b) System testing [7+9]
2. (a) Explain size oriented metric with an example.
(b) Explain function oriented metric with an example. [8+8]
3. (a) Explain the classical life-cycle process model with a real-time scenario.
(b) Give the reasons and situations where this model fails. [6+10]
4. What are the major elements of the design model? Explain the abstraction dimen-
sions and process dimensions of the analysis model and design model. [16]
5. (a) Brie
y explain about Object oriented systems developments life cycle.
(b) Describe state, behavior, and identity with respect to an object with relevant
example. [8+8]
6. (a) Explain activities of software.
(b) Discuss about cost impact of software defects. [8+8]
7. Discuss an example system where social and political factors may strongly in
uence
the system requirements. Explain why these factors are important in it. [16]
8. (a) What is a legacy software?
(b) What type of changes is made to legacy systems if it exhibits poor quality?
(c) Explain why legacy systems evolve as time passes. [3+5+8]
Code No: 44022 R07 Set No. 4
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write a short notes on:
(a) Data-
ow model.
(b) State-Machine model. [8+8]
2. Explain the process of re ning the architecture into components with the help of a
neat diagram. [16]
3. (a) De ne the terms software and work product.
(b) Explain the impact of software on the society with a real time example.[6+10]
4. (a) Explain the determinants of software quality.
(b) Explain public metrics, private metrics. [8+8]
5. Write a note on integration testing & Explain how integration test documentation
is done. [16]
6. Write short notes on:
(a) quality
(b) quality control
(c) review meeting
(d) review guidelines [16]
7. How the following factors are addressed in interface design?
(a) Help facilities
(b) Response time
(c) Error handling
(d) Internationalization [4+4+4+4]
8. (a) Explain in detail the structures language speci cations.
(b) Draw and explain the sequence diagram representing various consequences
during ithdraw from ATM system. [8+8]
Code No: 44022 R07 Set No. 1
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write a short note on:
(a) Validation test criteria
(b) Alpha & Beta testing
(c) Recovery testing
(d) Security testing [4+4+4+4]
2. (a) What are the goals of requirements engineering process?
(b) With the help of a neat diagram depict the requirement engineering process
activities.
(c) Explain the spiral model of requirements engineering process. [2+6+8]
3. What is CMMI? List and explain various Key Process Areas assessed by CMMI?
[16]
4. Explain about
(a) The review meeting
(b) Review reporting & Record keeping
(c) Review guidelines
(d) Sample driven reviews [16]
5. (a) Explain di erent categories of risks.
(b) Discuss about risk identi cation & risk item checklist. [8+8]
6. (a) Explain why the spiral development is called as a risk-driven process model
generator.
(b) What are the merits and demerits of the spiral model. [10+6]
7. (a) Discuss the relationship between the concept of information hiding as an at-
tribute of e ective modularity and the concept of module independence.
(b) Explain how the concepts of coupling and software portability related? [8+8]
8. (a) i. Describe the design process in software development.
ii. What are the characteristics and criteria for design?
(b) Create three classes linked by associations to represent a student taking courses
in a school. Specify appropriate multiplicity as well as labels for the associa-
tion. If there is more than one reasonable alternative, explain the advantages
and disadvantages of each. [6+10]
Code No: 44022 R07 Set No. 3
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Explain the context model with the context of an ATM system. [16]
2. What is a process pattern? Describe the template of a process pattern with an
example. [16]
3. Describe component level design & user interface design metrics. [16]
4. (a) What is software architecture? Explain about structured chart with an exam-
ple.
(b) Justify how modular design is an e ective design method? [8+8]
5. Explain the issues of risk. [16]
6. (a) Explain the following features of OOPS
i. Message Passing
ii. Extensibility
iii. Delegation
iv. Genericity
(b) Explain overloading of new and delete operators by giving examples. [12+4]
7. (a) Explain defect removal ampli cation with an example.
(b) Explain about sample driven review. [8+8]
8. (a) Discuss the problems of using natural language for de ned user and system
requirements.
(b) Explain how structuring natural language into forms can help avoiding some
of the di culties of natural language. [8+8]
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Common to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Software Engineering is a Layered Technology. Justify?
b) Explain about different Software Myths.
(6+10M)
2. Illustrate Linear Sequential model with example.
(16M)
3. a) Explain about entity-relationship diagram.
b) Explain about requirements elicitation & requirement Validation.
(8+8M)
4. Explain about design concepts of software. (16M)
5. a) Explain about Object Oriented Design Process.
b) What is meant by Object & Object Process
(8+8M)
6. a) What is meant by Black Box testing? Explain graph-based testing method with
example.
b) What is meant by White Box testing?.
(10+6M)
7. a) Explain about function oriented metrics.
b) What is meant by risk table? How to develop a risk table.
(8+8M)
8. Explain about the following
a) Quality control.
b) SQA activities.
c) Software reliability.
(4+6+6M)
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Com. to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about the capability, maturity and model integration.
b) Explain about roles of Software.
(10+6M)
2. a) Explain about incremental process model
b) Explain about Functional requirement of software
(10+6M)
3. Explain about behavioral models with example.
(16M)
4. a) What is meant by software design? Explain about design process of software.
b) What is the primary object of Architectural design and mention the importance
of architectural design.
(10+6M)
5. a) Explain about user interface analysis.
b) Discuss about interface design steps.
(8+8M)
6. a) Explain about a Strategic approach to software testing.
b) Discuss about Validation testing.
(10+6M)
7. a) Explain about extended function point metrics.
b) Explain about RMMM plan.
(8+8M)
8. Explain about the following
a) SQA activities
b) Statistical software quality assurance.
c) ISO 9000 quality standards.
(6+5+5M)
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Com. to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about Team Process model.
b) Explain about different Software myths.
(6+10M)
2. Explain about any two evolutionary software process models.
(16M)
3. Explain about Object models with example.
(16M)
4. a) Explain about different levels of abstraction.
b) Explain about Software architecture.
(8+8M)
5. a) Explain about Object Oriented Design Process.
b) What is meant by Object & Object Process
(8+8M)
6. a) Explain about a different system tests.
b) What is meant by debugging. Explain about different categories of debugging
approaches.
(8+8M)
7. a) Explain about three measures for software quality.
b) Explain about process risks.
(8+8M)
8. Explain about the following
a) Software Quality Assurance.
b) Software reviews.
c) Statistical Quality Assurance.
(6+4+6M)
Code No: V0521
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
SOFTWARE ENGINEERING
(Com. to CSE and IT))
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about different Software Engineering layers.
b) Explain about personal & team process models.
(8+8M)
2. a) Explain about spiral model with a diagram.
b) Explain about non-functional requirements of a software.
(10+6M)
3. Explain about data models.
(16M)
4. a) What is meant by refinement & modularity.
b) Explain about different Architectural Styles & Patterns.
(8+8M)
5. a) Explain about user interface analysis.
b) Discuss about interface design steps.
(8+8M)
6. a) What is meant by software quality ? Explain.
b) Explain about high level design matrix.
(8+8M)
7. a) Explain about size oriented metrics.
b) Explain about technology risk.
c) Explain about product size risks.
(6+5+5M)
8. Explain about the following
a) Software reliability.
b) ISO 9000 quality standards.
c) SQA activities
(6+5+5M)
Code No: 44022 R07 Set No. 2
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Describe in detail
(a) Validation testing
(b) System testing [7+9]
2. (a) Explain size oriented metric with an example.
(b) Explain function oriented metric with an example. [8+8]
3. (a) Explain the classical life-cycle process model with a real-time scenario.
(b) Give the reasons and situations where this model fails. [6+10]
4. What are the major elements of the design model? Explain the abstraction dimen-
sions and process dimensions of the analysis model and design model. [16]
5. (a) Brie
y explain about Object oriented systems developments life cycle.
(b) Describe state, behavior, and identity with respect to an object with relevant
example. [8+8]
6. (a) Explain activities of software.
(b) Discuss about cost impact of software defects. [8+8]
7. Discuss an example system where social and political factors may strongly in
uence
the system requirements. Explain why these factors are important in it. [16]
8. (a) What is a legacy software?
(b) What type of changes is made to legacy systems if it exhibits poor quality?
(c) Explain why legacy systems evolve as time passes. [3+5+8]
Code No: 44022 R07 Set No. 4
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write a short notes on:
(a) Data-
ow model.
(b) State-Machine model. [8+8]
2. Explain the process of re ning the architecture into components with the help of a
neat diagram. [16]
3. (a) De ne the terms software and work product.
(b) Explain the impact of software on the society with a real time example.[6+10]
4. (a) Explain the determinants of software quality.
(b) Explain public metrics, private metrics. [8+8]
5. Write a note on integration testing & Explain how integration test documentation
is done. [16]
6. Write short notes on:
(a) quality
(b) quality control
(c) review meeting
(d) review guidelines [16]
7. How the following factors are addressed in interface design?
(a) Help facilities
(b) Response time
(c) Error handling
(d) Internationalization [4+4+4+4]
8. (a) Explain in detail the structures language speci cations.
(b) Draw and explain the sequence diagram representing various consequences
during ithdraw from ATM system. [8+8]
Code No: 44022 R07 Set No. 1
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Write a short note on:
(a) Validation test criteria
(b) Alpha & Beta testing
(c) Recovery testing
(d) Security testing [4+4+4+4]
2. (a) What are the goals of requirements engineering process?
(b) With the help of a neat diagram depict the requirement engineering process
activities.
(c) Explain the spiral model of requirements engineering process. [2+6+8]
3. What is CMMI? List and explain various Key Process Areas assessed by CMMI?
[16]
4. Explain about
(a) The review meeting
(b) Review reporting & Record keeping
(c) Review guidelines
(d) Sample driven reviews [16]
5. (a) Explain di erent categories of risks.
(b) Discuss about risk identi cation & risk item checklist. [8+8]
6. (a) Explain why the spiral development is called as a risk-driven process model
generator.
(b) What are the merits and demerits of the spiral model. [10+6]
7. (a) Discuss the relationship between the concept of information hiding as an at-
tribute of e ective modularity and the concept of module independence.
(b) Explain how the concepts of coupling and software portability related? [8+8]
8. (a) i. Describe the design process in software development.
ii. What are the characteristics and criteria for design?
(b) Create three classes linked by associations to represent a student taking courses
in a school. Specify appropriate multiplicity as well as labels for the associa-
tion. If there is more than one reasonable alternative, explain the advantages
and disadvantages of each. [6+10]
Code No: 44022 R07 Set No. 3
II B.Tech II Semester Supplimentary Examinations,February 2010
SOFTWARE ENGINEERING
Common to Information Technology, Computer Science And Engineering,
Computer Science And Systems Engineering
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. Explain the context model with the context of an ATM system. [16]
2. What is a process pattern? Describe the template of a process pattern with an
example. [16]
3. Describe component level design & user interface design metrics. [16]
4. (a) What is software architecture? Explain about structured chart with an exam-
ple.
(b) Justify how modular design is an e ective design method? [8+8]
5. Explain the issues of risk. [16]
6. (a) Explain the following features of OOPS
i. Message Passing
ii. Extensibility
iii. Delegation
iv. Genericity
(b) Explain overloading of new and delete operators by giving examples. [12+4]
7. (a) Explain defect removal ampli cation with an example.
(b) Explain about sample driven review. [8+8]
8. (a) Discuss the problems of using natural language for de ned user and system
requirements.
(b) Explain how structuring natural language into forms can help avoiding some
of the di culties of natural language. [8+8]
OPERATING SYSTEMS II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
Code No: T1221
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is an operating system? Explain the structure of an Operating system.
b) Explain various types of system calls.
2. a) Explain deterministic modeling for scheduling algorithm evaluation.
b) Explain the Non-preemptive and preemptive SJF scheduling algorithm with an
example.
3. a) Explain the locking protocol for concurrency control.
b) Explain the synchronization in Linux operating system.
4. a) Explain memory swapping mechanism.
b) Explain the difference between internal fragmentation and external fragmentation.
c) What is Thrashing? Explain the causes of thrashing.
5. a) Explain the necessary conditions for deadlock.
b) Explain the deadlock avoidance.
6. a) Explain the file access methods.
b) Explain acyclic graph directories.
7. a) Explain swap-space management with an example.
b) Describe stable storage implementation.
8. a) Explain program Threats.
b) Explain the Windows XP security model.
Code No: T1221
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain how an Operating system acts as a resource manager.
b) Explain various types of system calls.
2. a) Explain the criteria for CPU scheduling.
b) Explain priority scheduling and round robin scheduling algorithms with an
example.
3. a) What are the special instructions used for mutual exclusion ? Explain them.
b) Explain the synchronization in windows operating system.
4. a) Explain contiguous memory allocation mechanism.
b) Explain the techniques for structuring the page table.
5. a) Explain deadlock prevention.
b) Explain the transformation of I/O requests to hardware operations.
6. a) What is a file? Explain the attributes of a file.
b) Explain disk allocation methods.
7. a) Explain the following disk management aspects.
i) Disk initialization ii) Booting from Disk
iii) Bad-Block recovery
b) Explain the problems with RAID structure.
8. a) What are the goals of protection.
b) Discuss the strengths and weaknesses of implementing an access
matrix using access lists that are associated with objects.
c) Briefly, explain intrusion detection system..
Code No: T1221
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Describe Real time systems.
b) Explain Operating system services.
2. a) Explain FCFS and Round robin scheduling algorithms with an example.
b) Explain the scheduling in Linux operating system.
3. a) Explain the critical section problem.
b) What is a semaphore? Explain the usage and implementation of semaphores.
4. a) Discuss the hardware support required to support demand paging.
b) Explain the optimal and LRU page replacement algorithms with an example.
5. a) Explain the necessary conditions for Deadlock.
b) Explain the kernel services related to I/O subsystem.
6. a) Explain the free-space management techniques.
b) Describe virtual file systems.
7. a) Define the following disk parameters.
i) Seek time ii) Rotational Delay iii) Transfer Time
b) Explain any three disk scheduling algorithms.
8. a) Explain system and network threats.
b) Explain user authentication techniques.
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain the functions of an operating system.
b) Describe distributed systems.
2. a) Explain the criteria for CPU scheduling algorithms.
b) Consider the following set of processes with the length of the CPU
burst given in milliseconds.
Process Burst Time Priority
P1 10 3
P2 1 1
P3 2 3
P4 1 4
P5 5 2
The processes are assumed to have arrived in the order P1, P2, ….P5 all at time 0.
i) Draw four Gantt charts that illustrates the execution of these processes using
the following scheduling algorithms: FCFS, SJF, Non-Preemptive priority
(A smaller priority number implies a higher priority ) and Round Robin
( Quantum=1).
ii) What is the turnaround time of each process for each of the heduling
algorithms in part(i) ?
iii) What is the waiting time of each process for each of the Scheduling
algorithms in part(i) ?
iv) Which of the algorithms in part(i) results in the minimum average waiting
time (over all processes).
3. a) Explain the Peterson’s solution to the critical section problem.
b) Explain the solution to the Dining-Philosopher problem using monitors.
4. a) Explain the simple paging mechanism.
b) Explain FIFO and LRU page replacement algorithms with an example.
5. a) Explain the life cycle of an I/O request.
b) Explain about STREAMS.
6. a) Explain the structure of a file system.
b) Explain tree – structured directories.
7. a) Explain the physical structure of Magnetic disks.
b) Explain SSTF and SCAN disk scheduling algorithms.
8. a) Describe several methods of implementing the Access matrix.
b) Explain program threats.
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) What is an operating system? Explain the structure of an Operating system.
b) Explain various types of system calls.
2. a) Explain deterministic modeling for scheduling algorithm evaluation.
b) Explain the Non-preemptive and preemptive SJF scheduling algorithm with an
example.
3. a) Explain the locking protocol for concurrency control.
b) Explain the synchronization in Linux operating system.
4. a) Explain memory swapping mechanism.
b) Explain the difference between internal fragmentation and external fragmentation.
c) What is Thrashing? Explain the causes of thrashing.
5. a) Explain the necessary conditions for deadlock.
b) Explain the deadlock avoidance.
6. a) Explain the file access methods.
b) Explain acyclic graph directories.
7. a) Explain swap-space management with an example.
b) Describe stable storage implementation.
8. a) Explain program Threats.
b) Explain the Windows XP security model.
Code No: T1221
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain how an Operating system acts as a resource manager.
b) Explain various types of system calls.
2. a) Explain the criteria for CPU scheduling.
b) Explain priority scheduling and round robin scheduling algorithms with an
example.
3. a) What are the special instructions used for mutual exclusion ? Explain them.
b) Explain the synchronization in windows operating system.
4. a) Explain contiguous memory allocation mechanism.
b) Explain the techniques for structuring the page table.
5. a) Explain deadlock prevention.
b) Explain the transformation of I/O requests to hardware operations.
6. a) What is a file? Explain the attributes of a file.
b) Explain disk allocation methods.
7. a) Explain the following disk management aspects.
i) Disk initialization ii) Booting from Disk
iii) Bad-Block recovery
b) Explain the problems with RAID structure.
8. a) What are the goals of protection.
b) Discuss the strengths and weaknesses of implementing an access
matrix using access lists that are associated with objects.
c) Briefly, explain intrusion detection system..
Code No: T1221
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Describe Real time systems.
b) Explain Operating system services.
2. a) Explain FCFS and Round robin scheduling algorithms with an example.
b) Explain the scheduling in Linux operating system.
3. a) Explain the critical section problem.
b) What is a semaphore? Explain the usage and implementation of semaphores.
4. a) Discuss the hardware support required to support demand paging.
b) Explain the optimal and LRU page replacement algorithms with an example.
5. a) Explain the necessary conditions for Deadlock.
b) Explain the kernel services related to I/O subsystem.
6. a) Explain the free-space management techniques.
b) Describe virtual file systems.
7. a) Define the following disk parameters.
i) Seek time ii) Rotational Delay iii) Transfer Time
b) Explain any three disk scheduling algorithms.
8. a) Explain system and network threats.
b) Explain user authentication techniques.
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
OPERATING SYSTEMS
(Information Technology)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain the functions of an operating system.
b) Describe distributed systems.
2. a) Explain the criteria for CPU scheduling algorithms.
b) Consider the following set of processes with the length of the CPU
burst given in milliseconds.
Process Burst Time Priority
P1 10 3
P2 1 1
P3 2 3
P4 1 4
P5 5 2
The processes are assumed to have arrived in the order P1, P2, ….P5 all at time 0.
i) Draw four Gantt charts that illustrates the execution of these processes using
the following scheduling algorithms: FCFS, SJF, Non-Preemptive priority
(A smaller priority number implies a higher priority ) and Round Robin
( Quantum=1).
ii) What is the turnaround time of each process for each of the heduling
algorithms in part(i) ?
iii) What is the waiting time of each process for each of the Scheduling
algorithms in part(i) ?
iv) Which of the algorithms in part(i) results in the minimum average waiting
time (over all processes).
3. a) Explain the Peterson’s solution to the critical section problem.
b) Explain the solution to the Dining-Philosopher problem using monitors.
4. a) Explain the simple paging mechanism.
b) Explain FIFO and LRU page replacement algorithms with an example.
5. a) Explain the life cycle of an I/O request.
b) Explain about STREAMS.
6. a) Explain the structure of a file system.
b) Explain tree – structured directories.
7. a) Explain the physical structure of Magnetic disks.
b) Explain SSTF and SCAN disk scheduling algorithms.
8. a) Describe several methods of implementing the Access matrix.
b) Explain program threats.
COMPUTER ORGANIZATION II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) List and explain different interconnection structures used in multiprocessors?
b) Perform the arithmetic operations (+42)+(-13) and (-42)-(-13) in binary using
2’s complement representation for negative numbers. (8+8M)
2. a) Explain how Z = (X-Y) / (X+Y) is evaluated in a stack based computer.
b) Explain the properties of Reduced Instruction Set Computers. (8+8M)
3. What are the design goals while designing the Control Unit? Explain the Hardwired
control and Micro programmed control. Mention their advantages and
disadvantages. (16M)
4. a) Explain Booth’s algorithm from its theoretical basis.
b) Multiply 10101 with 10011 using Booth’s algorithm. (8+8M)
5. Explain the following memories with their applications.
a) ROM
b) PROM
c) EPROM
d) EEPROM (4+4+4+4M)
6. List and explain different I/O communication techniques. Also mention their
advantages and disadvantages. (16M)
7. a) What is meant by pipelining? Explain.
b) Explain the following with related to the instruction pipeline
i) . Pipeline conflicts
ii). Hardware interlocks
iii). Pre-fetch target instruction
iv). Branch target buffer (8+8M)
8. a) Explain the characteristics of multiprocessors.
b) Explain the need for interprocessor synchronization. (8+8M)
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about various buses such as internal, external, I/O, system, address and
data bus.
b) Perform the arithmetic operations (+70)+(+80) and (-70)+(-80) in binary using
2’s complement representation for negative numbers. (10+6M)
2. Write short notes on the following:
a) Register transfer language
b) Instruction formats
c) Addressing modes
d) Reduced Instruction Set Computer (4+4+4+4M)
3. a) Explain why hardwired control unit is faster than micro programmed control unit.
b) What are micro-subroutines? Explain. (8+8M)
4. a) Draw a flow chart which explains multiplication of two signed magnitude fixed
point numbers.
b) Multiply 10101 and 10111 with the above procedure. (8+8M)
5. What is Cache memory? Explain the different mapping techniques used in the
usage of Cache memory. (16M)
6. What is Direct Memory Access (DMA)? What is the need for DMA? Explain the
working of DMA. Also mention its advantages. (16M)
7. a) What is meant by instruction pipeline? Explain
b) Explain the pipeline for floating point addition and subtraction. (8+8M)
8. a) List and explain different interconnection structures used in multiprocessors?
b) Explain system bus structure for multiprocessors with a neat sketch.
(8+8M)
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) List and explain different types of computers with examples. Also mention their
merits and demerits.
b) What is meant by odd parity and even parity?
c) Distinguish between error detection and correction codes. (8+3+5M)
2. What is Register Transfer Language? Explain few RTL statements for branching
from their actual functioning. (16M)
3. Define and explain the following
a) Micro operation
b) Microinstruction
c) Micro program
d) Microcode (4+4+4+4M)
4. a) How many bits are needed to store the result of addition, subtraction,
multiplication of two n-bit unsigned numbers? Prove.
b) What is overflow and underflow? What are the reasons for overflow and
underflow? (8+8M)
5. With suitable examples, explain two-way set associative mapping and four-way set
associative mapping. (16M)
6. Explain the following
a) Input-Output Processor
b) Direct Memory Access
c) Interconnected (PCI) bus (6+5+5M)
7. a) What is meant by arithmetic pipeline? Explain.
b) Explain about three segment instruction pipeline. (8+8M)
8. a) Explain multi port memory organization with a neat sketch.
b) What is cache coherence? Explain its importance. (8+8M)
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) List and explain different performance measures used to represent a computer
system performance.
b) Explain about sign magnitude and 2’s complement approaches for representing
the fixed point numbers. Explain why 2’s complement approach is preferable.
(8+8M)
2. a) List and explain few arithmetic, logic and shift micro operations.
b) What is an interrupt? Explain different types of interrupts. (8+8M)
3. a) Explain the difference between hardwired control and micro programmed
control. Is it possible to have a hardwired control associated with a central memory?
b) What is microinstruction? How do we reduce number of microinstructions?
(8+8M)
4. With neat flowcharts and examples, explain how two IEEE 754 flowing point
numbers can be added, subtracted and multiplied. Assume single precision
numbers. (16M)
5. a) Compare and contrast asynchronous DRAM and synchronous DRAM.
b) Compare and contrast direct and associative mapping techniques.
(8+8M)
6. Explain different standard serial communication protocols like RS232, USB, IEEE
1394. (16M)
7. Explain the flowing
a) RISC pipeline
b) Vector processing
c) Array processor (6+5+5M)
8. What is cache coherence? Explain its importance in shared memory multiprocessor
systems? (16M)
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) List and explain different interconnection structures used in multiprocessors?
b) Perform the arithmetic operations (+42)+(-13) and (-42)-(-13) in binary using
2’s complement representation for negative numbers. (8+8M)
2. a) Explain how Z = (X-Y) / (X+Y) is evaluated in a stack based computer.
b) Explain the properties of Reduced Instruction Set Computers. (8+8M)
3. What are the design goals while designing the Control Unit? Explain the Hardwired
control and Micro programmed control. Mention their advantages and
disadvantages. (16M)
4. a) Explain Booth’s algorithm from its theoretical basis.
b) Multiply 10101 with 10011 using Booth’s algorithm. (8+8M)
5. Explain the following memories with their applications.
a) ROM
b) PROM
c) EPROM
d) EEPROM (4+4+4+4M)
6. List and explain different I/O communication techniques. Also mention their
advantages and disadvantages. (16M)
7. a) What is meant by pipelining? Explain.
b) Explain the following with related to the instruction pipeline
i) . Pipeline conflicts
ii). Hardware interlocks
iii). Pre-fetch target instruction
iv). Branch target buffer (8+8M)
8. a) Explain the characteristics of multiprocessors.
b) Explain the need for interprocessor synchronization. (8+8M)
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain about various buses such as internal, external, I/O, system, address and
data bus.
b) Perform the arithmetic operations (+70)+(+80) and (-70)+(-80) in binary using
2’s complement representation for negative numbers. (10+6M)
2. Write short notes on the following:
a) Register transfer language
b) Instruction formats
c) Addressing modes
d) Reduced Instruction Set Computer (4+4+4+4M)
3. a) Explain why hardwired control unit is faster than micro programmed control unit.
b) What are micro-subroutines? Explain. (8+8M)
4. a) Draw a flow chart which explains multiplication of two signed magnitude fixed
point numbers.
b) Multiply 10101 and 10111 with the above procedure. (8+8M)
5. What is Cache memory? Explain the different mapping techniques used in the
usage of Cache memory. (16M)
6. What is Direct Memory Access (DMA)? What is the need for DMA? Explain the
working of DMA. Also mention its advantages. (16M)
7. a) What is meant by instruction pipeline? Explain
b) Explain the pipeline for floating point addition and subtraction. (8+8M)
8. a) List and explain different interconnection structures used in multiprocessors?
b) Explain system bus structure for multiprocessors with a neat sketch.
(8+8M)
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) List and explain different types of computers with examples. Also mention their
merits and demerits.
b) What is meant by odd parity and even parity?
c) Distinguish between error detection and correction codes. (8+3+5M)
2. What is Register Transfer Language? Explain few RTL statements for branching
from their actual functioning. (16M)
3. Define and explain the following
a) Micro operation
b) Microinstruction
c) Micro program
d) Microcode (4+4+4+4M)
4. a) How many bits are needed to store the result of addition, subtraction,
multiplication of two n-bit unsigned numbers? Prove.
b) What is overflow and underflow? What are the reasons for overflow and
underflow? (8+8M)
5. With suitable examples, explain two-way set associative mapping and four-way set
associative mapping. (16M)
6. Explain the following
a) Input-Output Processor
b) Direct Memory Access
c) Interconnected (PCI) bus (6+5+5M)
7. a) What is meant by arithmetic pipeline? Explain.
b) Explain about three segment instruction pipeline. (8+8M)
8. a) Explain multi port memory organization with a neat sketch.
b) What is cache coherence? Explain its importance. (8+8M)
Code No: V0522
II B.Tech II Semester (R07) Regular/supply Examinations, Apr- 2010
COMPUTER ORGANIZATION
(Common to CSE, IT, ECC, ICE)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) List and explain different performance measures used to represent a computer
system performance.
b) Explain about sign magnitude and 2’s complement approaches for representing
the fixed point numbers. Explain why 2’s complement approach is preferable.
(8+8M)
2. a) List and explain few arithmetic, logic and shift micro operations.
b) What is an interrupt? Explain different types of interrupts. (8+8M)
3. a) Explain the difference between hardwired control and micro programmed
control. Is it possible to have a hardwired control associated with a central memory?
b) What is microinstruction? How do we reduce number of microinstructions?
(8+8M)
4. With neat flowcharts and examples, explain how two IEEE 754 flowing point
numbers can be added, subtracted and multiplied. Assume single precision
numbers. (16M)
5. a) Compare and contrast asynchronous DRAM and synchronous DRAM.
b) Compare and contrast direct and associative mapping techniques.
(8+8M)
6. Explain different standard serial communication protocols like RS232, USB, IEEE
1394. (16M)
7. Explain the flowing
a) RISC pipeline
b) Vector processing
c) Array processor (6+5+5M)
8. What is cache coherence? Explain its importance in shared memory multiprocessor
systems? (16M)
Thursday, January 13, 2011
DATA BASE MANAGEMENT SYSTEMS II B.Tech II Semester Regular Examinations, April 2010
Code No: V0523/R07 Set No. 1
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS ( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Explain the Transaction management in a database.
(b) Discuss the Query Processor of Database system structure. [8+8]
2. (a) Distinguish between procedural and non-procedural DML’s.
(b) Define relational algebra, Tuple & Domain relational calculus.
(c) What are the differences between the two types of relational calculus? [6+6+4]
3. (a) Explain the basic structure of SQL?
(b) Write SQL expressions for the following relational databases. employee (empno,
empname, gender, dob, doj, empadd, emptelno, empsalary, empdept, bonus,
dor)
i. Find empname from emp schema table who joins at the same date?
ii. Find empadd, empname who are working in the same department?
iii. Find the salary from emp schema who are earing more than 6000?
iv. Find how many records are in table emp schema?
v. Find empno, empname, empdept from emp schema where empsalary is
b/n. [8+8]
4. (a) Define BCNF. How does BCNF differ from 3NF? Explain with an example.
(b) Explain 3nf? Give one example? [8+8]
5. (a) Explain how concurrency execution of transactions improves overall system
performance. [8]
(b) What are the transaction isolation Levels in SQL. [8]
6. (a) Contrast ARIES with other WAL based recovery schemes. [6]
(b) How is the recovery manager is responsible for transaction atomicity & dura-
bility. [5]
(c) What are the difference between update log record & compensation log record.
[5]
7. Define the term dangling pointer. Describe how the unique-id scheme helps in
detecting dangling pointers in an object-oriented database. [16]
8. Suppose that we are using extendable hashing on a file that contains records with
the following search-key values: 2,3,5,7,11,17,19,23,29,31 Show the extendable hash
structure for this file if the hash function is h(x) = x mod 8 and buckets can hold
three records. [16]
Code No: V0523/R07 Set No. 2
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS
( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Why would choose a database system instead of simply storing data in oper-
ating system files ? When would it make sense not to use a database system?
(b) What is logical data independence and why is it important? [8+8]
2. (a) What is a relation? Differentiate between relation schema and relation in-
stance. Define the terms unity and degree of relation. What are domain
constraints?
(b) Explain new insertion, delation and updating of database is performed in the
relational algebra. [8+8]
3. Explain the following [16]
(a) Types of Join Operations.
(b) Set Operations
4. (a) Explain about 4 Nf? Give one example?
(b) Explain about 5 Nf? Give one example? [8+8]
5. (a) Explain how concurrency execution of transactions improves overall system
performance. [8]
(b) What are the transaction isolation Levels in SQL. [8]
6. (a) What are the merits & demerits of using fuzzy dumps for media recovery. [6]
(b) Explain the phases of ARIES Algorithm. [4]
(c) Explain 3 main properties of ARIES Algorithm [6]
7. Explain why the allocation of records to blocks affects database-system performance
significantly. [16]
8. What are the differences between B-tree indices and B+
−tree indices. Explain in
detail. [16]
Code No: V0523/R07 Set No. 3
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS
( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are the major disadvantages of file processing system? [16]
2. (a) What is a relation? Differentiate between relation schema and relation in-
stance. Define the terms unity and degree of relation. What are domain
constraints?
(b) What SQL construct enables the definition of a relation? What constructs
allow modification of relation instances? [8+8]
3. (a) Explain in detail about the “Outer join” Operation.
(b) For the following relational database, give the expressions in SQL. [8+8]
Sailor schema (sailor id, sailorname, rating, Age) Reserves (sailor id, Boat)id,
day) Boat Schema(Boat id, boatname, color)
i. find the name and age of the oldest sailors?
ii. Count the No.of sailors?
iii. Count the No.of different sailors names?
iv. Find the names who are older than the oldest sailors with rating of 10?
4. Explain the FD and MVD with examples? [16]
5. (a) Define the concept of schedule for a set of concurrent transaction. Give a
suitable example. [8]
(b) Explain read-only, write-only & read-before-write protocols in serialazability.
[8]
6. (a) What are the two tables used in crash recovery along with log record. Explain
with suitable example. [8]
(b) What are the different fields of log record. Explain each in brief. [8]
7. Define the term dangling pointer. Describe how the unique-id scheme helps in
detecting dangling pointers in an object-oriented database. [16]
8. Explain about the B+
−tree and the structure of B+
−tree in detail with an example.
[16]
Code No: V0523/R07 Set No. 4
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS ( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Explain the Transaction management in a database.
(b) Discuss the Query Processor of Database system structure. [8+8]
2. (a) Distinguish between procedural and non-procedural DML’s.
(b) Define relational algebra, Tuple & Domain relational calculus.
(c) What are the differences between the two types of relational calculus? [6+6+4]
3. (a) Define selection and also explain complex selection.
(b) for the following relational database write the expressions in SQL. [6+10]
flight (flight no, from, to, distance, departs arrives, price)
Aircraft (Aid, Aircraftname, cruising range)
Certified (Emp cd, Aid)
Employee (Emp id, Empname, salary)
i. Find the names of pilot whose salary are individually less than price of
the cheapest route from ?Los Angles? to Honolulu ?
ii. Print the enames of pilots who can operate planes with cursing range
greater than 5000 miles, but r not certified on any boxing aircraft?
iii. Find the names of pilots certified for some Boeing aircraft?
iv. Find the aids of all aircraft that can be used on routes Los Angles to
Chicago?
v. Compute the difference b/n the average salary of a pilot and the average
salary of all employees?
4. (a) Explain about 4 Nf? Give one example?
(b) Explain about 5 Nf? Give one example? [8+8]
5. (a) Explain how concurrency execution of transactions improves overall system
performance. [8]
(b) What are the transaction isolation Levels in SQL. [8]
6. (a) What is 2PL Locking protocol? Explain with suitable example? How does it
guarantee serialazability? [12]
(b) Difference between Strict 2PL & Rigorous 2PL [4]
7. List the physical storage media available on the computers youu use routinely. Give
the speed with which data can be accessed on each mediaum. [16]
8. (a) Explain about Hash indices with an example.
(b) Explain the differences between Static Hashing and Dynamic Hashing. [8+8]
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS ( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Explain the Transaction management in a database.
(b) Discuss the Query Processor of Database system structure. [8+8]
2. (a) Distinguish between procedural and non-procedural DML’s.
(b) Define relational algebra, Tuple & Domain relational calculus.
(c) What are the differences between the two types of relational calculus? [6+6+4]
3. (a) Explain the basic structure of SQL?
(b) Write SQL expressions for the following relational databases. employee (empno,
empname, gender, dob, doj, empadd, emptelno, empsalary, empdept, bonus,
dor)
i. Find empname from emp schema table who joins at the same date?
ii. Find empadd, empname who are working in the same department?
iii. Find the salary from emp schema who are earing more than 6000?
iv. Find how many records are in table emp schema?
v. Find empno, empname, empdept from emp schema where empsalary is
b/n. [8+8]
4. (a) Define BCNF. How does BCNF differ from 3NF? Explain with an example.
(b) Explain 3nf? Give one example? [8+8]
5. (a) Explain how concurrency execution of transactions improves overall system
performance. [8]
(b) What are the transaction isolation Levels in SQL. [8]
6. (a) Contrast ARIES with other WAL based recovery schemes. [6]
(b) How is the recovery manager is responsible for transaction atomicity & dura-
bility. [5]
(c) What are the difference between update log record & compensation log record.
[5]
7. Define the term dangling pointer. Describe how the unique-id scheme helps in
detecting dangling pointers in an object-oriented database. [16]
8. Suppose that we are using extendable hashing on a file that contains records with
the following search-key values: 2,3,5,7,11,17,19,23,29,31 Show the extendable hash
structure for this file if the hash function is h(x) = x mod 8 and buckets can hold
three records. [16]
Code No: V0523/R07 Set No. 2
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS
( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Why would choose a database system instead of simply storing data in oper-
ating system files ? When would it make sense not to use a database system?
(b) What is logical data independence and why is it important? [8+8]
2. (a) What is a relation? Differentiate between relation schema and relation in-
stance. Define the terms unity and degree of relation. What are domain
constraints?
(b) Explain new insertion, delation and updating of database is performed in the
relational algebra. [8+8]
3. Explain the following [16]
(a) Types of Join Operations.
(b) Set Operations
4. (a) Explain about 4 Nf? Give one example?
(b) Explain about 5 Nf? Give one example? [8+8]
5. (a) Explain how concurrency execution of transactions improves overall system
performance. [8]
(b) What are the transaction isolation Levels in SQL. [8]
6. (a) What are the merits & demerits of using fuzzy dumps for media recovery. [6]
(b) Explain the phases of ARIES Algorithm. [4]
(c) Explain 3 main properties of ARIES Algorithm [6]
7. Explain why the allocation of records to blocks affects database-system performance
significantly. [16]
8. What are the differences between B-tree indices and B+
−tree indices. Explain in
detail. [16]
Code No: V0523/R07 Set No. 3
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS
( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are the major disadvantages of file processing system? [16]
2. (a) What is a relation? Differentiate between relation schema and relation in-
stance. Define the terms unity and degree of relation. What are domain
constraints?
(b) What SQL construct enables the definition of a relation? What constructs
allow modification of relation instances? [8+8]
3. (a) Explain in detail about the “Outer join” Operation.
(b) For the following relational database, give the expressions in SQL. [8+8]
Sailor schema (sailor id, sailorname, rating, Age) Reserves (sailor id, Boat)id,
day) Boat Schema(Boat id, boatname, color)
i. find the name and age of the oldest sailors?
ii. Count the No.of sailors?
iii. Count the No.of different sailors names?
iv. Find the names who are older than the oldest sailors with rating of 10?
4. Explain the FD and MVD with examples? [16]
5. (a) Define the concept of schedule for a set of concurrent transaction. Give a
suitable example. [8]
(b) Explain read-only, write-only & read-before-write protocols in serialazability.
[8]
6. (a) What are the two tables used in crash recovery along with log record. Explain
with suitable example. [8]
(b) What are the different fields of log record. Explain each in brief. [8]
7. Define the term dangling pointer. Describe how the unique-id scheme helps in
detecting dangling pointers in an object-oriented database. [16]
8. Explain about the B+
−tree and the structure of B+
−tree in detail with an example.
[16]
Code No: V0523/R07 Set No. 4
II B.Tech II Semester Regular Examinations, April 2010
DATA BASE MANAGEMENT SYSTEMS ( Common to Computer Science & Engineering and InformationTechnology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Explain the Transaction management in a database.
(b) Discuss the Query Processor of Database system structure. [8+8]
2. (a) Distinguish between procedural and non-procedural DML’s.
(b) Define relational algebra, Tuple & Domain relational calculus.
(c) What are the differences between the two types of relational calculus? [6+6+4]
3. (a) Define selection and also explain complex selection.
(b) for the following relational database write the expressions in SQL. [6+10]
flight (flight no, from, to, distance, departs arrives, price)
Aircraft (Aid, Aircraftname, cruising range)
Certified (Emp cd, Aid)
Employee (Emp id, Empname, salary)
i. Find the names of pilot whose salary are individually less than price of
the cheapest route from ?Los Angles? to Honolulu ?
ii. Print the enames of pilots who can operate planes with cursing range
greater than 5000 miles, but r not certified on any boxing aircraft?
iii. Find the names of pilots certified for some Boeing aircraft?
iv. Find the aids of all aircraft that can be used on routes Los Angles to
Chicago?
v. Compute the difference b/n the average salary of a pilot and the average
salary of all employees?
4. (a) Explain about 4 Nf? Give one example?
(b) Explain about 5 Nf? Give one example? [8+8]
5. (a) Explain how concurrency execution of transactions improves overall system
performance. [8]
(b) What are the transaction isolation Levels in SQL. [8]
6. (a) What is 2PL Locking protocol? Explain with suitable example? How does it
guarantee serialazability? [12]
(b) Difference between Strict 2PL & Rigorous 2PL [4]
7. List the physical storage media available on the computers youu use routinely. Give
the speed with which data can be accessed on each mediaum. [16]
8. (a) Explain about Hash indices with an example.
(b) Explain the differences between Static Hashing and Dynamic Hashing. [8+8]
Environmental Studies JNTUK(R07)2010 previous papers
Code No: V0122
II B.Tech II Semester (R07) Regular/Supply Examinations, Apr- 2010
ENVIRONMENTAL STUDIES
(Common to CE, EEE, ME, CSE, EIE, BME, IT, E.Con.E, BOT)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Describe how you would methodically record the elements and resources in an
ecosystem and assess its functioning.
b) “Fuel powered ecosystems are man’s wealth generating and also pollution generating
systems” – Justify.
2. a) What are the various reasons for increase in population in India?
b) Suggest suitable measures for population control and discuss the merits of population
control.
3. a) What do you understand by the term ‘Biodiversity’? Discuss in detail.
b) What are the different services that are contributed in various ways by biodiversity?
4. Discuss the impact of science and technology on environment with suitable examples.
5. a) Discuss the phenomenon of global warming along with its effects and control
measures.
b) What are the impacts of thermal pollution on global warming?
6. a) Discuss the concept of sustainable development.
b) What are the major obstacles in the path of sustainable development in India?
7. Discuss the environmental impacts of irrigation and hydro-power projects.
8. a) Discuss the various methods for e-waste management?
b) Discuss the hazards of Biochemical wastes and explain the necessity to manage
these wastes?
Code No: V0122
II B.Tech II Semester (R07) Regular/Supply Examinations, Apr- 2010
ENVIRONMENTAL STUDIES
(Common to CE, EEE, ME, CSE, EIE, BME, IT, E.Con.E, BOT)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Give an account of the structure and functions of an ecosystem.
b) Discuss the way in which ecosystems are destroyed by human activities.
2. a) Discuss population explosion in Indian context.
b) What should be the objectives of a sound population policy?
3. a) Why is it necessary to maintain biodiversity?
b) Discuss In-Situ and Ex-Situ conversation measures of biodiversity with suitable
examples.
4. Discuss the role of information technology and value education in environment and
human health.
5. Discuss the global effects of pollution and suggest suitable measures.
6. a) What do you understand by ‘Sustainable Life Styles’?
b) Explain suitable measures for sustainable development with suitable examples.
7. Discuss the environmental impacts of irrigation and hydro power projects.
8. a) Discuss the problems associated with resettlement and rehabilitation of people?
b) Discuss the Ozone depleting substances. Explain the measures to be taken to reduce
their Release?
Code No: V0122
II B.Tech II Semester (R07) Regular/Supply Examinations, Apr- 2010
ENVIRONMENTAL STUDIES
(Common to CE, EEE, ME, CSE, EIE, BME, IT, E.Con.E, BOT)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. What is an environment? Enumerate and discuss the various segments of environment in
brief.
2. a) Explain about various forest resources.
b) What are the causes and effects of deforestation?
3. a) Explain about the structure and functions of an ecosystem.
b) Discuss the role of producers, consumers and decomposers in an ecosystem.
4. a)Discuss the main causes of Poaching. How do you protect Wildlife from Poaching?
b) Why is it important to preserve the major hotspots and how do they contribute to the
Environment in different ways?
5. a) Describe various Air pollutants and their characteristics.
b) Discuss the various Air pollution control measures.
6. a) What are the major causes of Nuclear hazards and accidents?
b) Discuss the ways to minimize radiation exposure in case of a nuclear accident.
7. Explain the trends with regard to the populous countries in the world and their
environmental implications and the control measures to be adopted.
8. Describe your recent visit to any cosmopolitan city and its impact on environment and
discuss the various measures to control the pollution levels.
Code No: V0122
II B.Tech II Semester (R07) Regular/Supply Examinations, Apr- 2010
ENVIRONMENTAL STUDIES
(Common to CE, EEE, ME, CSE, EIE, BME, IT, E.Con.E, BOT)
Time: 3 Hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. a) Explain the need for students from all courses to be aware of environmental issues.
b) Write briefly about the scope of environmental studies.
2. a) Compare and Contrast between Renewable and Non-Renewable resources.
b) Explain the Environmental impact of extracting and using Mineral resources.
3. a) Define an ecosystem and list various components of an ecosystem.
b) Briefly explain the manner in which ecosystems are destroyed by human activities.
4. a) How do you explain Biodiversity at Global, National and Local levels?
b) Discuss about various Ex-Situ conservation measures of Biodiversity.
5. a) Discuss about the wastes that are prohibited from processing along with municipal
solid waste.
b) Briefly describe methods of heating and disposal of solid waste.
6. a) What is global warming? Enumerate the steps being taken to reduce the effects of
Global Warming.
b) How do you create Public awareness for protection of Environment?
7. a) Explain the trends with regard to the populous countries in the world and their
environmental implications.
b) Discuss the role of Family Welfare Programs in the control of population explosion.
8. a) Discuss about any three alternative energy sources and compare with conventional
energy sources.
b) Explain in detail about utilization of solar energy for water heating and street lights
Sunday, January 9, 2011
2-2 NOTES AND MATERIALS(IT & CSE)
2-2 NOTES AND MATERIALS(CSE,IT)
Software Engineering [SE] ALL 8 UNITS:
http://www.megaupload.com/?d=T909FIM5
JAVA MATERIAL ALL 8 UNITS:
http://www.megaupload.com/?d=O6PJJ3WN
Data Base Management System Material (DBMS) ALL 8 UNITS:
http://www.megaupload.com/?d=3MYWYQAY
Computer Organization MATERIAL (CO) ALL 8 UNITS:
http://www.megaupload.com/?d=75HFRURJ
Principles Of Programming Language(PPL) 1 2 3 4 8 UNITS:(CSE)
http://www.megaupload.com/?d=WBEJOMVC
Software Engineering [SE] ALL 8 UNITS:
http://www.megaupload.com/?d=T909FIM5
JAVA MATERIAL ALL 8 UNITS:
http://www.megaupload.com/?d=O6PJJ3WN
Data Base Management System Material (DBMS) ALL 8 UNITS:
http://www.megaupload.com/?d=3MYWYQAY
Computer Organization MATERIAL (CO) ALL 8 UNITS:
http://www.megaupload.com/?d=75HFRURJ
Principles Of Programming Language(PPL) 1 2 3 4 8 UNITS:(CSE)
http://www.megaupload.com/?d=WBEJOMVC
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