M.Sc. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2017.
Third Semester
Computer Science
Paper I SOFTWARE ENGINEERING
2 20931-A
Time 3 Hours Max. Marks 70
SECTION — A
Answer any FIVE questions. 6 30 Marks)
Each question carries 6 marks.
1. Briefly explain
Use cases
Object identification
Unit testing.
2. What are the functional and non- functional requirements of a Software Systems?
3. Explain in detail the behavioral models of a software system.
4. Explain in detail Theo Mandels golden rules on Interface design.
5. What is the art of debugging?
6. Explain in detail about risk identification.
7. What is software quality control and what are the components of the cost of
quality?
8. Explain the steps involved to perform statistical software quality assurance.

SECTION — B
Answer ONE question from each Unit. 10 40 Marks)
Each question carries 10 marks.
UNIT I
9. Why is it important to understand the customer's problem before creating a
software solution?
What is a process? What are the generic framework activities that are
present in every software process.
Or
10. Briefly explain about incremental process models.
What is Software requirements document? Give the structure of it.
UNIT II
11. Explain about the requirements of elicitation and analysis in detail.
Develop an object, including a class hierarchy diagram and an aggregation
diagram showing the principal components of a personal computer system
and its system software.
Or
12. How are the concepts of coupling and cohesion related to software module
size?
What is an architectural style? Briefly explain about layered architectures
with example.
UNIT III
13. Using examples, explain the difference between an object and an object class.
How do we determine the format and aesthetics of content displayed as part
of the User Interface?
Or
14. What is the overall strategy for software testing? When to stop testing?
What is graph matrix? Explain its usage in testing. How can equivalence
classes be defined for testing?
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UNIT IV
15. What is the difference between metrics and measurement? Give metrics for
maintenance.
What is a risk? What types of risks are likely to encounter as software is
built?
Or
16. What is the different ways in which quality can be viewed? Write short notes
on McCall's software quality factors.
Besides counting errors and defects, are there any other countable
characteristics of software that imply quality? What are they and can they be
measured directly?
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