GATE Computer Science (CS) 2014 Shift 1 Solved Paper

Question : 43 of 65

Marks: +1, -0

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__________.