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

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Multiprogramming systems:

None of these
execute more jobs in the same time period
execute each job faster
are easier to develop than single programming system
are used only on large mainframe computers

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Memory

is a sequence of instructions
is the device where information is stored
is a device that performs a sequence of operations specified by instructions in memory.
is typically characterized by interactive processing and time-slicing of the CPU
None of these

ANSWER DOWNLOAD EXAMIANS APP