Multiple choice

The purpose of a ____ is to request the operating system to perform same task. A/An _____ provides an interface between a process and the operating system.

  1. system call, supervisor call

  2. supervisor call, interrupt

  3. system call, system call

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A system call is the mechanism by which a program requests a service from the OS kernel. It also provides the interface boundary between user processes and the operating system. Both blanks refer to this same concept.

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