Explain LRU page replacement mathod. – InterviewSolution

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1.	Explain LRU page replacement mathod.
Answer» ating systems that USE paging for MEMORY management, page replacement algorithm are needed to decide which page needed to be replaced when new page comes in.Add a register to every page frame - contain the last time that the page in that frame was accessed. ... Use a "LOGICAL clock" that ADVANCE by 1 tick each time a memory REFERENCE is made. Each time a page is referenced, update its register.

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