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Module 3: Software Design & Metrics

20192m

Independent modules are easier to maintain and test because of:
(i) code modification is limited
(ii) reusable modules are possible
(iii) error propagation is reduced
(iv) All of the above

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Answer

(iv) All of the above

Explanation

Independent modules improve maintainability and testing because:

  • Changes are more localized, so code modification is limited.
  • Well-defined modules can often be reused.
  • Faults are less likely to spread across module boundaries, so error propagation is reduced.

Therefore all three statements are valid.

Final answer: (iv) All of the above

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