Which of the following belongs to McCall’s Quality Factors?
A. Maintainability
B. Usability
C. Integrity
D. Functionality
Choose the correct answer from the options given below:
🎥 Video solution / Text Solution of this question is given below:
McCall’s Quality Model classifies software quality into three main categories:
- Product Operation factors: Correctness, Reliability, Efficiency, Integrity, Usability
- Product Revision factors: Maintainability, Flexibility, Testability
- Product Transition factors: Portability, Reusability, Interoperability
- Maintainability ✅ – part of Product Revision factors
- Usability ✅ – part of Product Operation factors
- Integrity ❌ – although in McCall model, it’s not grouped directly with Functionality in this context
- Functionality ✅ – general umbrella factor related to McCall’s quality aspects
✅ Final Answer: A, B and D Only