Operating System (OS)
Feed back queue

require manual intervention to implement properly
None of these
are used to favor real-time tasks
dispatch tasks according to execution characteristics
are very easy to implement

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

ANSWER DOWNLOAD EXAMIANS APP