Operating System (OS)
System generation:

varies in difficulty between systems
is always quite simple
None of these
requires extensive tools to be understandable
is always very difficult

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

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Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

Improved debugging capability, and superior documentation
All of these
None of these
Fewer people, less management and shorter transition in learning time
A greater degree of machine independence

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