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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):

  1. Which page will NRU replace?
  2. Which page will FIFO replace?
  3. Which page will LRU replace?
  4. Which page will second chance replace?
in Operating System by Veteran (58.8k points) | 33 views

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Ans: (a) Page 1 because R M = 0 0
      (b) Page 3 because it is loaded at 110 (First In)
      (c) Page 1 because is referenced at 265 (Least Recently)
      (d) Page 1 because it is loaded at 120 and the reference bit is 0.
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