Jawaharlal Nehru Technological University Hyderabad 2009-2nd Sem B.Tech Information Technology , Code No: 44069 Set No3 II Regular s, / SOFTWARE ENGINEERING ( Common to Computer Science & En

Code No: 44069 Set No. 3
II B.Tech II Semester Regular Examinations, Apr/May 2009
SOFTWARE ENGINEERING
( Common to Computer Science & Engineering, info Technology
and Computer Science & Systems Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. (a) What is a legacy software?
(b) What kind of modifications is made to legacy systems if it exhibits poor quality?
(c) discuss why legacy systems evolve as time passes. [3+5+8]
2. (a) Differentiate ranging from prototyping and incremental process models.
(b) Illustrate RAD process model with an example. [8+8]
3. (a) elaborate the goals of requirements engineering process?
(b) With the help of a neat diagram depict the requirement engineering process
activities.
(c) discuss the spiral model of requirements engineering process. [2+6+8]
4. elaborate the major elements of the design model? discuss the abstraction dimen-
sions and process dimensions of the analysis model and design model. [16]
5. (a) What is meant prototype? Why is it necessary to create prototype? explain
about the various categories of prototype.
(b) define the process that are involved in unified approach for software devel-
opment. [8+8]
6. Differentiate ranging from class oriented metrics & OO metrics. [16]
7. Write short notes on:
(a) direct
(b) indirect
(c) correctness
(d) maintainability [4×4=16]
8. explain about Formal tech. Review.

Earning:   Approval pending.