Operating System (OS)
Thrashing can be avoided if

All of these
None of these
the pages, belonging to the working set of the programs, are in main memory
the speed of I/O processor is increased
the speed of CPU is increased

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Operating System (OS)
The Memory Buffer Register (MBR)

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

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