Discussion
Which amongst the following are McCalls production transition factors ?
(i) Reliability
(ii) Portability
(iii) Testability
(iv) Reusability
Answer: C
McCall's product transition factors include (ii) and (iv): portability and reusability.
McCall's quality model groups factors under three headings. Product operation: correctness, reliability, efficiency, integrity, usability. Product revision: maintainability, flexibility, testability. Product transition: portability, reusability, interoperability.
Reliability is a product operation factor and testability a product revision factor, so every option containing (i) or (iii) is wrong.
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