Operating System (OS)
Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy

to be predictable
to balance resource utilization
to obey priorities
to be fair
None of these

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Operating System (OS)
Which of the following is not true about documentation?

Documentation increases the maintenance time and cost
Documentation gives better understanding of the problem
All of these
Documentation, of a system, should be as clear and direct as possible
None of these

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Operating System (OS)
Trojan-Horse programs

usually are immediately discovered
are legitimate programs that allow unauthorized access
None of these
are hidden programs that do not show up on the system
do not usually work

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