How many page faults would occur under pure demand paging

Reference no: EM1361353

1. Consider the following page reference string:

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

How many page faults would occur under pure demand paging (all frames are initially empty), assuming four frames are available, under FIFO, LRU, and Optimal Replacement respectively?

Reference no: EM1361353

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