Question: 1. (10 points) Consider the following page reference sequence: 1, 2, 1, 3, 2, 4, 1, 4, 5, 4, 1, 5, 2, 1, 3 How

1. (10 points) Consider the following page reference sequence:

1, 2, 1, 3, 2, 4, 1, 4, 5, 4, 1, 5, 2, 1, 3

How many page faults would occur for the following page replacement algorithms, assuming there are four available frames? Remember all frames are initially empty and use pure-demand paging (count all page faults).

FIFO replacement

LRU replacement

Optimal replacement

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