Question

What is a short-term scheduler?

(a) It selects which process has to be brought into the ready queue

(b) It selects which process has to be executed next and allocates CPU

(c) It selects which process to remove from memory by swapping

(d) None of the mentioned

The question was posed to me at a job interview.

Enquiry is from Process Scheduling Queues in chapter Processes of Operating System

Answer 1

Correct answer is (b) It selects which process has to be executed next and allocates CPU

To explain: A short-term scheduler selects a process which has to be executed next and allocates CPU. Short-term scheduler selects a process from the ready queue. It selects processes frequently.