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Computer Fundamentals · Q307

Operating System

Computer Related · Computer Fundamentals · question 307

Q307

The LRU algorithm

A.
pages out pages that have been used recently
B.
pages out pages that have not been used recently
C.
pages out pages that have been least used recently
Answer
D.
pages out the first page in a given area
E.
None of the above

Answer: Option C

Solution

Answer: Option C
Solution:
In a computer operating system that uses paging for virtual memory management, page replacement algorithms decide which memory pages to page out, sometimes called swap out, or write to disk, when a page of memory needs to be allocated.