Question: Q 3 b ) Consider the following page reference string: 8 0 1 2 0 9 0 4 2 9 0 9 2 1 2

3

)

Consider the following page reference string:

80120904290921201801

Assuming demand paging with three frames and all frames are initially empty. Further, the allocation of the first unique pages will cost one fault each. Calculate the fault ratio by following the listed below replacement algorithms?

I. FIFO

.

LRU

III. Optimal Page replacement algorithm

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