Q. 43 A computer has twenty physical page frames which contain pages numbered 101
through 120. Now a program accesses the pages numbered 1, 2, …, 100 in the
order, and repeats the access sequence THRICE. Which one of the following page
replacement policies experiences the same number of page faults as the optimal
page replacement policy for this program?
(A) Least-recently-used
(B) First-in-first-out
(C) Last-in-first-out
(D) Most-recently-used
Answer: (D)
Explanation: