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

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Operating System (OS)
Which of the following is true for machine language.

Depicting flow of data in a system
A sequence of instructions which, when followed properly, solves a problem
Repeated execution of program segments
None of these
the language which communicates with the computer using only the binary digits 1 and 0.

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