Multiple choice

Aging is

  1. increasing the priority of jobs to ensure termination in finite time

  2. keeping track of cache contents

  3. keeping track of page references

  4. keeping track of pages in main memory at a time
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A Correct answer
Explanation

Aging is a technique used in CPU scheduling to prevent starvation. By gradually increasing the priority of processes that have been waiting in the system for a long time, it ensures that even low-priority jobs will eventually be executed.

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