Q. 73 A process has been allocated 3 page frames. Assume that none of the pages of
the process are available in the memory initially. The process makes the following
sequence of page references (reference string): 1,2,1,3,7,4,5,6,3,1.
If optimal page replacement policy is used, how many page faults occur for the
above reference string?
(A) 7
(B) 8
(C) 9
(D) 10
Answer: (A)
Explanation:
