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Describe the mechanism used by an Operating System to implement virtual memory. Also, consider a reference string: 1 , 2 , 3 , 4 ,

Describe the mechanism used by an Operating System to implement virtual memory. Also, consider a reference string:

1, 2, 3, 4, 1, 2, 3, 5, 7 .

The number of frames in the memory is

3 .

Find out the number of page faults occurred when FCFS

,

and LRU Page Replacement Algorithm is used.

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