Operating System (OS)
The LRU algorithm

pages out the first page in a given area
pages out pages that have not been used recently
None of these
pages out pages that have been used recently
pages out pages that have been least used recently

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Operating System (OS)
Feed back queue

require manual intervention to implement properly
are used to favor real-time tasks
None of these
are very easy to implement
dispatch tasks according to execution characteristics

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