Question

find out the no of page fault and hit ratio (%) using lru for given 1,2,3,4,2,1,3,4,2,3,1

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Answer 1

Frame size = 3

FIFO Page Replacement



Number of hits = 5

Number of Miss = 15

Optimal Page Replacement



Number of Hits = 12

Number of Miss = 8

LRU Page Replacement



Number of Hits = 8

Number of Miss = 12