Multiple choice

In general case, page fault decreases with increase in the number of frames. But in some page replacement algorithm, the page fault rate may increase with the increasing number of frames. This unexpected phenomenon is called __________.

  1. thrashing

  2. swapping

  3. caching

  4. belady's anomaly

  5. none of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This phenomenon is called Belady's Anomaly, often found in FIFO page replacement algorithm.

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