The page replacement policy that sometimes leads to more page faults when the…

2026

The page replacement policy that sometimes leads to more page faults when the size of memory is increased is:

  1. A.

    LRU

  2. B.

    FIFO

  3. C.

    No such policy exists

  4. D.

    None of the above

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Show answer & explanation

Correct answer: B

The correct answer is FIFO. This policy exhibits Belady's Anomaly, where increasing memory frames can paradoxically increase page faults under certain reference strings. Other policies like LRU avoid this behavior.

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