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If a higher priority process arrives and wants service, the memory manager can swap out the lower priority process to execute the higher priority process. When the higher priority process finishes, the lower priority process is swapped back in and continues execution. This variant of swapping is sometimes called?

(a) priority swapping

(b) pull out, push in

(c) roll out, roll in

(d) none of the mentioned

This question was posed to me during an online exam.

I need to ask this question from Memory Management topic in chapter Memory Management of Operating System

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Correct option is (c) roll out, roll in

The explanation is: None.

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