Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

the number of control lines is independent of the number of devices on the chain
the failure of one device may affect other devices on the chain
priority is programmable
None of these
it is relatively easy to add more devices to the chain

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

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

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

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