Operating System (OS)
Capacity planning

is independent of the operating system
does not depend on the monitoring tools available
is not needed in small installations
requires detailed system performance information
None of these

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Operating System (OS)
Swapping

allows many programs to use memory simultaneously
None of these
does not work with overlaying
allows each program in turn to use the memory
works best with many small partitions

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Operating System (OS)
The Memory Address Register

contains the address of the memory location that is to be read from or stored into.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
None of these
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".

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