Saturday 21 May 2011

Previous Question Papers for MCA


CODE NO: 6863/CDE
FACULTY OF INFORMATICS
M.C.A.III YEAR (CDE) (MAIN) EXAMINATION, AUGUST/SEPTEMBER 2010
SOFTWARE QUALITY AND TESTING
TIME: 3 Hours]                                                                     [max.marks:80
Note: Answer one question from each unit. All questions carry equal marks.
UNIT-I

1. (a) What is software quality? Give brief explanation.  3
    (b) How can “Defect density metrics’ be used as a product quality metric?  5
    (c) Explain how “Run charts’ are useful quality tools in software development. 8
(or)
2. (a) Explain how ‘customer satisfaction metric’ is useful for measuring the product quality.                                                                                                       4
    (b) With an example explain the phase-based defect removal model.    7
    (c) What is understood by ‘Quality Planning’?                       5

UNIT-II

3. (a) Explain the criteria for evaluation of models- Reliability growth models.     8
    (b) Discuss the PTR submodel for tracking of development quality.                8
(OR)
4. (a) Explain the steps to model software reliability.                                          8
    (b)Explain how the Rayleigh model provides directions for development quality improvement.                                                                                                            8

UNIT-III

5.(a). What are ‘system bugs’ and ‘Integration Bugs’?                                       4
   (b) What is ‘Path sensitizing’? Explain.                                                                       4
   (c) Explain the ‘Transaction-Flow testing techniques’.                                     8

(or)

6. (a). What bugs are specific to requirements, features and functionality of the software to be developed?                                                                                                          5
   (b) Explain the concepts of testing multi-entry or multi-exit routines                 5
   (c) Give the definitions, usage and implementation of transaction flows.                        6

UNIT-IV

7.(a). Explain some strategies for Data-flow testing                                                        6
   (b) What are Domain Bugs and how can they be tested?                                            5
   (c) What do linguistic metrics measure ?                                                                     5
(or)

8.(a). Explain the components of the data flow model                                        6
   (b)  Explain about nice domains and ugly domains.                                          5
   (c) What are the requirements which a useful metric should satisfy ?                5

UNIT-V

9.(a). Explain how KV Charts can be used in logic-based testing.                                  10
   (b)  What are the three phases into which testing can be divided ? Explain them..         6

(or)
10.(a). Explain the procedure for state testing with limitations and extensions.     6
   (b)  Explain the tools that can be used in testing.                                                         10

Tuesday 3 May 2011

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