Operating System (OS)
The term "operating system" means

a set of programs which controls computer working
conversion of high level language into machine code
the way a computer operator works
None of these
the way a floppy disk drive operates

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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
it is relatively easy to add more devices to the chain
None of these

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