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When an OS uses the LRU ( least - recently - used ) page replacement algorithm, what happens to the page at the head of
When an OS uses the LRU leastrecentlyused page replacement algorithm, what
happens to the page at the head of the queue when a nonresident page is
referenced?
The page is removed from the queue and from memory
The page is moved to the end of the queue
The page is removed and the reference string is updated
Nothing happens
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