Operating System (OS)
The LRU algorithm

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

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Operating System (OS)
The Memory Address Register

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
is a hardware memory device which denotes the location of the current instruction being executed.
contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
contains the address of the memory location that is to be read from or stored into.
None of these

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