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Operating Systems Concepts

Q1:

Which of the following statement is true.

A The LRU algorithm pages out pages that have been used recently

B Thrashing is a natural consequence of virtual memory systems.

C Seek analysis is used for analysing control-unit busy problems.

D All of the above

E None of the above

ANS:C - Seek analysis is used for analysing control-unit busy problems.

LRU pages out those pages that have been least used recently, and thrashing is not the natural consequence but it occurs because of improper use of page replacement algorithms.



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