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What is the full form of LRU (in buffer replacement strategy)?

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What is the full form of LRU (in buffer replacement strategy)?

(a) Least Reactive User

(b) Least Recently Used

(c) Least Read URL

(d) Lowest Reading User

I had been asked this question during an online interview.

Origin of the question is Organization of Records in Files in section Storage and File Structure of RDBMS

1 Answer

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Best answer
Correct option is (b) Least Recently Used

Easy explanation: The full form of LRU is Least Recently Used. In this, the least recently used program is substituted by the new request.

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