On a demand paged virtual memory system running on a computer system that
has main memory size of 4 page frames which are initially empty.The system access the pages (A1,A2,....,A20) pages in order.
what is the difference between the number of page faults if
a). system again access the pages from(A1,A2...,A20) in the same order
b) system again access the pages from(A1,A2...,A20) in the reverse order
page replacement policy is optimal page replacement policy.
difference is to be calculated between the two cases a) and b)
