Software Testing Week 5 NPTEL Assignment Answers 2025

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✅ Subject: Software Testing
📅 Week: 5
🎯 Session: NPTEL 2025 July-October
🔗 Course Link: Click Here
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NPTEL Software Testing Week 5 Assignment Answers 2025

1. State true or false: GACC subsumes predicate coverage.

• True.
• False.

Answer : See Answers

2. When we test to check if a particular clause does not determine a predicate, which kind of coverage criteria are we considering?

• Active coverage criteria.
• Inactive coverage criteria

Answer :

3. Which of the following represents a correct order of subsumption amongst logic coverage criteria? In the options below, read → as ‘subsumes’.

• Correlated active clause coverage → Predicate coverage → Clause coverage.
• Combinatorial coverage → Predicate coverage → Clause coverage.
• Combinatorial coverage → Correlated active clause coverage → Predicate coverage.
• General active clause coverage → Correlated active clause coverage → Clause coverage.

Answer :

Consider the logical predicate p=a∨(b∧c). Truth table for the predicate is given below with rows numbered from 1 to 8. T represents the Boolean value true and F represents the Boolean value false.

Answer the following questions with reference to logical coverage criteria for this predicate and the given truth table.

4. Which of the following represents p_a, the conditions under which clause a determines p ?

• b∧c.
• b∨c.
• ¬b∨¬c.
• ¬b∧¬c.

Answer :

5. Which of the following represents pb, the conditions under which clause b determines p ?

• a∧c.
• a∨c.
• ¬a∧c.
• ¬a∨¬c

Answer :

6. Which of the following represents p_c, the conditions under which clause c determines p ?

• ¬a∧b.
• ¬a∨b.

Answer : See Answers

7. Which of the following represents GACC pairs for clause a? Note: Numbers below represent row numbers from the truth table.

• {2,3,4}×{6,7,8}.
• {1,3,4}×{5,6,7}.

Answer :

8. State true or false: GACC pairs for clauses b and c are the same.

• True.
• False

Answer :

9. The set {(2,6),(3,7),(4,8)} is the set of RACC pairs for which clause?

• Clause a.
• Clause b.

Answer :

10. State true or false: CACC pairs for clauses a, b and c are different from GACC pairs for these clauses.

• True.
• False

Answer :  See Answers