UNIV4VINU | ENGINEERING ACHIEVERS

B.Tech. DEGREE EXAMINATION.

Fourth Semester

Information Technology

IF 255 — SOFTWARE ENGINEERING

Time : Three hours Maximum : 100 marks

Answer ALL questions.

PART A — (10 ´ 2 = 20 marks)

1. Justify the term ‘‘Software is Engineered’’.

2. Distinguish between process, methods, tools.

3. Define software scope.

4. Define process maturity. Indicate differ ent process maturity levels of CMM/SEI.

5. Give an example of a design fault that leads to failure.

6. Distinguish between alpha testing and beta testing.

7. What is Software Architecture?

8. Define Software re–engineering.

9. What is meant by software change?

10. Write short notes on estimation models.

PART B — (5 ´ 16 = 80 marks)

11. (i) Discuss in detail the FAST method of requirement gathering with an

illustration.

(ii) Discuss in detail the Quality Function deployment.

12. (a) List several software process paradigms. Explain how both waterfall model

and prototyping model can be accommodated in the spiral process model.

Or

(b) (i) Discuss in detail the data modeling activity.

(ii) Write briefly about the utility of state transition diagram in analysis modeling

activity.

13. (a) (i) Describe the design process in software development.

(ii) What are the characteristics and criteria for design?

Or

(b) (i) What are different activities in user interface design process? Elaborate each of

these activities.

(ii) Describe your approach to ‘‘user help’’ facilities which integrate with error

B.E./B.Tech. DEGREE EXAMINATION,

Fourth Semester

Information Technology

IF 255 — SOFTWARE ENGINEERING

Time : Three hours Maximum : 100 marks

Answer ALL questions.

PART A — (10 ? 2 = 20 marks)

1. Distinguish clearly between verification and validation.

2. What is embedded system process?

3. What are non–functional requirements for a software?

4. What is the role of data dictionary?

5. What do you mean by horizontal and vertical partitioning?

6. How do you evaluate user interface?

7. What is stress testing?

8. State the guidelines for debugging.

9. What is Delphi cost estimation technique?

10. What is CASE?

PART B — (5 ? 16 = 80 marks)

11. Explain iterative water fall and spir al model for software life cycle and discuss

various activities in each phase.

12. (a) Explain the ways and means for collecting the software requirements and how

are they organized and represented.

Or

(b) Describe various prototyping techniques and discuss on analysis and modeling.

13. (a) Discuss the impact of cohesion, coupling, fan–in, fan–out and factoring in

design phase.

Or

(b) Explain the real time software design and discuss the same for a data acquisition

system.

14. (a) What is black box testing? Is it necessary to perform this? Explain various test

activities.

Or

(b) Explain the integration testing process and system testing processes and discuss on

their outcomes.