ISRO | ISRO CS 2016 | Question 48

In which one of the following page replacement policies, Belady’s anomaly
may occur?
(A) FIFO
(B) Optimal
(C) LRU
(D) MRU


Answer: (A)

Explanation: Belady’s Anomaly is a situation in which increasing the number of frames allocated to a process results in increased number of page faults. This usually happens in FIFO page replacement algorithm. The anomaly occurs when the page replacement algorithm will remove a page that will be needed in the immediate future.
Option (A) is correct.

Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes arrow_drop_up

Save