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Module 2: Requirements & SRS

20262m

Which characteristic of an SRS indicates that every requirement has only one clear interpretation?

(i) Complete
(ii) Unambiguous
(iii) Consistent
(iv) Modifiable

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Solution

Correct Answer: (ii) Unambiguous

Explanation

An unambiguous SRS ensures that every requirement has exactly one interpretation, so the client, developers and testers all understand it the same way. This is achieved with precise language, defined terms, and formal or structured notations where needed.

Why other options are incorrect:

  • (i) Complete - all required functions, constraints and interfaces are included.
  • (iii) Consistent - no requirement conflicts with another.
  • (iv) Modifiable - the document can be changed easily while keeping its structure.

Key Points to Remember:

Characteristics of a good SRS: correct, unambiguous, complete, consistent, ranked for importance, verifiable, modifiable, traceable.

Answer: (ii) Unambiguous

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