Which is not categorized under Product Operation in McCall’s Quality Factors?
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Answer: A. Flexibility
Explanation
Flexibility measures how easily software can be modified, placing it under product revision. Product operation factors focus on day-to-day execution traits like reliability and usability. McCall specifically categorizes flexibility outside of the operational quality attribute group. McCall’s quality model classifies software requirements into operational, revision, and transition factors. Product operation attributes evaluate runtime behavior, efficiency, correctness, and security. Product revision attributes measure maintainability, flexibility, and testability of the code.
Quality assurance engineers use McCall’s factors to establish comprehensive software metrics. Systems requiring high flexibility must be designed with low coupling and high modularity. Distinguishing operational from revision qualities helps prioritize conflicting software requirements. Reliability measures the probability of failure-free software operation under stated conditions. Usability evaluates how easily users can learn and interact with the software application. Integrity measures system security and protection against unauthorized data access or modification.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
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