Operating System (OS)
The strategy of allowing processes that are logically runnable to be temporarily suspended is called

preemptive scheduling
non preemptive scheduling
shortest job first
first come first served
None of these

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Operating System (OS)
You should choose sleep option when

The computer is tired after working for the whole day
You finish working and going to bed
When computer gets hanged frequently. Let it sleep for some time
You are leaving for a very short time and want to resume you work shortly

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Operating System (OS)
Trojan-Horse programs

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

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