Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Operating Systems Virtual Memory Page Replacement Policy
Consider the following reference string of pages made by a processor :
4, 7, 5, 7, 6, 7, 10, 4, 8, 5, 8, 6, 8, 11, 4, 9, 5, 9, 6, 9, 12, 4, 7, 5, 7
Assume that the number of page frames allocated in the main memory is four. What is the number of page faults generated using Least Recently Used (LRU) replacement technique?
1
15
2
17
3
18
4
16