The term ‘aging’ refers to

2007

The term ‘aging’ refers to

  1. A.

    booting up the priority of the process in multi-level of queue without feedback.

  2. B.

    keeping track of the following a page has been in memory for the purpose of LRU replacement

  3. C.

    letting job reside in memory for a certain amount of time so that the number of pages required can be estimated accurately.

  4. D.

    gradually increasing the priority of jobs that wait in the system for a long time to remedy infinite blocking

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Correct answer: D

In operating systems, aging is a technique used to prevent starvation. It involves gradually increasing the priority of processes that have been waiting in the ready queue for a long time. This ensures that low-priority processes eventually get CPU time and are not indefinitely blocked by high-priority arrivals.

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