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Which of the following page replacement algorithms suffers from Belady’s Anomaly?

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Which of the following page replacement algorithms suffers from Belady’s Anomaly?

(a) Optimal replacement

(b) LRU

(c) FIFO

(d) Both optimal replacement and FIFO

The question was asked in an interview for job.

This intriguing question comes from Virtual Memory in portion The Linux System of Operating System

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Best answer
Correct choice is (c) FIFO

Easiest explanation - None.

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