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

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Virtual Memory

consists of those addresses that may be generated by a processor during execution of a computation.
None of these
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The advantage of a command processor running only built-in commands is:

None of these
the processing is much faster than would other-wise be the case when user defined commands are used
flexibility to the users in running lists of commands by simply collecting them in named batch command files
the command set being common across different hardware configurations
users can create system programs and run them as commands

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Operating System (OS)