Q. 43 Assume that there are 3 page frames which are initially empty. If the page reference string is 1, 2, 3, 4, 2, 1, 5, 3, 2, 4, 6 the number of page faults using the optimal replacement policy is _________.
(A) 5
(B) 6
(C) 7
(D) 8
Answer: (C)
Explanation:
