Concept:Debugging means finding and correcting mistakes in a program.
Explanation:During program development, errors called bugs may appear in the code.
The programmer must locate these bugs and correct them so the software runs correctly.
This process includes testing, identifying the cause of failure, and fixing the error.
Debugging is not about introducing bugs, removing viruses, or writing error messages.
It is simply the act of fixing errors in a program.
Answer:A. fixing errors.