Question

Which task method follows a currently running task to be stopped by a higher priority task?

(a) scheduling algorithm

(b) time slice

(c) cooperative multitasking

(d) pre-emption

The question was posed to me during a job interview.

I'd like to ask this question from Task Swapping Methods in portion Real Time Operating systems of Embedded Systems

Answer 1

The correct option is (d) pre-emption

To explain: The pre-emption is an alternative method of the time slice where the currently running task can be stopped or preempted or switched out by a higher priority active task.