R09 - December, 2011 - Regular Examinations - Set - 3.

III B.Tech I Semester Examinations,December 2011
SOFTWARE ENGINEERING
Common to Information Technology, Electronics And Computer
Engineering, Computer Science And Engineering
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
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1. Elaborate on spiral model in detail. [15]
2. (a) What is instantiation? How would you describe instantiations of the system?
(b) Elaborate on Design quality. [7 8]
3. Explain the process areas required to achieve various maturity levels in CMMI. [15]
4. Discuss the statement, \quality is a complex and multifaceted concept". [15]
5. (a) Explain about layer cohesion in detail.
(b) Elaborate on \REP" in detail. [8 7]
6. (a) What is data 
ow diagram? Draw a data 
ow diagram for order processing
system.
(b) Differentiate between data 
ow and state machine models. [8 7]
7. (a) Explain about \regression testing" in detail. Explain the importance of it.
(b) Differentiate between regression and integration testing. [8 7]
8. (a) What is software metric? Explain the importance of it in detail.
(b) Explain the di erence between private and public uses for software metrics.
[7 8]
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