Question
Why do application programmers usually call an API instead of invoking raw system-call numbers directly?
Select an option. Your answer will be checked instantly.
Correct Answer: B. The API provides a portable, convenient interface that hides low-level system-call details
Explanation:
An API presents stable functions and data types while libraries translate requests into platform-specific system calls.
This improves portability and reduces dependence on low-level calling conventions.
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