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

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

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The Memory Address 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 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.

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Memory management is :

None of these
not used in modern operating system
critical for even the simplest operating systems
replaced with virtual memory on current systems
not used on multiprogramming systems

ANSWER DOWNLOAD EXAMIANS APP