Question 8883 – ISRO CS 2020

Consider the following page reference string

1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6

What are the minimum number of frames required to get a single page fault for the above sequence assuming LRU replacement strategy?

Correct Answer: C

Question 14 Explanation:

The minimum number of frames required are 6. If we use 4 frames or 5 frames, we get more than one-page fault using LRU page replacement algorithm.