Operating System (OS)
What hole will allocates in "Worst-Fit" algorithm of memory management?

It allocates the smaller hole than required memory hole
It allocates the exact same size memory hole
It allocates the smallest hole from the available memory holes
It allocates the largest hole from the available memory holes

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Operating System (OS)
The instruction register

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

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