Operating System (OS)
Swapping

allows many programs to use memory simultaneously
allows each program in turn to use the memory
does not work with overlaying
None of these
works best with many small partitions

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because

they are initially stored on disk
they are available on magnetic tapes
they are partly in primary memory and partly on disk
None of these
they are memory resident

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Trojan-Horse programs

are hidden programs that do not show up on the system
are legitimate programs that allow unauthorized access
None of these
usually are immediately discovered
do not usually work

ANSWER DOWNLOAD EXAMIANS APP