Operating System (OS)
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

UNIX
MS DOS
OS/2
None of these
XENIX

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

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

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Operating System (OS)
Fork is

increasing the priority of a task
the creation of a new process
the dispatching of a task
None of these
the creation of a new job

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