The roll out, roll in variant of swapping is used ____.
A) when a backing store is not necessary
B) for the round-robin scheduling algorithm
C) for priority-based scheduling algorithms
D) when the load on the system has temporarily been reduced

Question

Quizplus · Accepted Answer

The roll out, roll in variant of swapping is used in priority-based scheduling algorithms to swap out lower-priority processes and swap in higher-priority ones when necessary.

The Roll Out, Roll in Variant of Swapping Is Used