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Given page reference string: 1,2,3,4,2,1,5,6,2,1,2,3,7,6,3,2,1,2,3,6 a) Compare the number of page faults for: First In First Out (FIFO), Least Recently Used (LRU) and Optimal page

Given page reference string:

1,2,3,4,2,1,5,6,2,1,2,3,7,6,3,2,1,2,3,6

a) Compare the number of page faults for: First In First Out (FIFO), Least Recently Used (LRU) and

Optimal page replacement (OPT) algorithm having 4 frames in physical memory.

b) What will be the effect on page fault rate if the number of frames is reduced to 3 frames in each algorithm?

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