Operating System (OS)
Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.

shortened; lengthened
shortened; shortened
lengthened; shortened
None of these
lengthened; lengthened

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Fork is

the creation of a new process
the creation of a new job
increasing the priority of a task
None of these
the dispatching of a task

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The instruction register

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.
None of these
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.

ANSWER DOWNLOAD EXAMIANS APP