engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Operating Systems Virtual Memory Page Replacement Policy
Consider a main memory with five page frames and the following sequence of page references: 3, 8, 2, 3, 9, 1, 6, 3, 8, 9, 3, 6, 2, 1, 3. Which one of the following is true with respect to page replacement policies First In First Out (FIFO) and Least Recently Used (LRU)?
1
Both incur the same number of page faults
2
FIFO incurs 2 more page faults than LRU
3
LRU incurs 2 more page faults than FIFO
4
FIFO incurs 1 more page faults than LRU