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

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A real time operating system is most likely to be used for which of the following task?

Managing the access to system files in a laptop computers
Controlling access to a shared printer in a network
Controlling the fuel injection system of an automobile engines
Ensuring that system clock works correctly on server

ANSWER DOWNLOAD EXAMIANS APP

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

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".
None of these
contains the address of the memory location that is to be read from or stored into.
is a hardware memory device which denotes the location of the current instruction being executed.

ANSWER DOWNLOAD EXAMIANS APP