A computer has four page frames The time of loading, time of last access, and the R and M bits for each page are as shown below (the times are in clock ticks) (a) Which page will NRU replace (b) Which page will FIFO replace (c) Which page will LRU replace (d) Which page will second chance replace Page 0 1 2 3 Loaded 126 230 120 160 Last ref 279 260 272 280 R 0 1 1 1 M 0 0 1 1

Question: A computer has four page frames. The time of loading, time of last access, and the R and M bits for each page are as

A computer has four page frames. The time of loading, time of last access, and the R and M bits for each page are as shown below (the times are in clock ticks): Page 0 1 2 3 Loaded 126 230 120 160 Last ref. 279 260 272 280 R 0 1 1 1 M 0 0 1 1

(a) Which page will NRU replace?

(b) Which page will FIFO replace?

(d) Which page will second chance replace?

Page 0 1 2 3 Loaded 126 230 120 160 Last ref. 279 260 272 280 R 0 1 1 1 M 0 0 1 1

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