WB JECA MCA Software Engineering Previous Year Questions (PYQs) – Page 3 of 3
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Showing 28 questions
Which of the following are true about cyclomatic complexity?
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Solution
Cyclomatic complexity counts independent paths; higher value = more complex.
A testing phase executes 180 test cases out of 200 planned, with 162 passes and 18 failures. Which are true?
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Solution
Execution=180/200=90%, Pass=162/180=90%, Req=85%.
What is the maximum number of level-2 DFD possible if the number of
processes in level-1 DFD is n ?
(A) $\frac{n}{2}$
(B) 2
(C) $n^2$
(D) n
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Solution
- In a Data Flow Diagram (DFD), each process in level-1 can be decomposed further into its own level-2 diagram.
Correct Answer: (D) $n$
In the context of Software Development Life Cycle (SDLC), which of the following statements is correct?
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Solution
V-model aligns testing with each development phase.
In software engineering the tester does not know the internal designs of the software application in case of _____ testing.
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Solution
Solution: Black-box testing validates functionality without knowledge of internal code/design.
Answer: (B) Black Box
Answer: (B) Black Box
_____ is a measure of the degree of interdependence between modules.
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Solution
Solution: Coupling measures interdependence between modules; cohesion measures internal relatedness within a module.
Answer: (B) Coupling
Answer: (B) Coupling
_____ specification is also known as the SRS document.
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Solution
Solution: SRS (Software Requirement Specification) = Black-box specification (focuses on external behavior).
Answer: (C) Black-box
Answer: (C) Black-box
_____ is not among the eight principles followed by the Software Code of Ethics and Professional Practice.
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Solution
Solution: The eight principles include: Public, Client, Product, Judgment, Management, Profession, Colleagues, Self. Environment is not one of them.
Answer: (B) ENVIRONMENT
Answer: (B) ENVIRONMENT
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