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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Consider a page reference string as: 7, 0, 1, 2, 0, 3, 0, 4, 2, 3, 0, 3, 2. Assume that there are 3-page frames available.
Calculate the total number of page faults for the above reference string if LRU policy is used for page replacement.
1.10
2.8
3.9
4.11
Solution
Using LRU with 3 frames on the string
7, 0, 1, 2, 0, 3, 0, 4, 2, 3, 0, 3, 2
gives page faults at: 7, 0, 1, 2, 3, 4, 2, 3, 0 → 9 faults.
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