Operating System (OS)
Thrashing

None of these
can be caused by poor paging algorithms
is a natural consequence of virtual memory systems
can always be avoided by swapping
always occurs on large computers

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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.
None of these
contains the address of the memory location that is to be read from or stored into.
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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Operating System (OS)
Feed back queue

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

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