C. search for references for particular variables, constant and registers
D. all of the mentioned
✅ The correct answer is option D.
Explanation: Debugging is a methodical process of finding and reducing the number of bugs, or defects, in a computer program or a piece of electronic hardware, thus making it behave as expected.
C. It helps in development & maintenance of software
D. none of the mentioned
✅ The correct answer is option C.
Explanation: Regression testing preserves the quality and reliability of software and ensures the software’s continued operation.
✅ The correct answer is option C.
Explanation: A set of attributes that bear on the relationship between the level of performance of the software and the amount of resources used, under stated conditions.