Exam-style question
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Which characteristic best describes a loosely coupled module?.
- A.Its code interacts with other parts of the program through its interface only.
- B.It contains several unrelated tasks in one subroutine.
- C.It uses global variables for all communication.
- D.It has no interface with other parts of the program.
Model answer
What a good answer should say
- Its code interacts with other parts of the program through its interface only.
Explanation
Why this works
The specification defines loosely coupled modules as modules whose code interacts with other parts of the program through their interface only.
Common mistake
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