Operating System (OS)
Scheduling is

allowing jobs to use the processor
not required in uniprocessor systems
the same regard-less of the purpose of the system
unrelated to performance consideration
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
You are leaving for a very short time and want to resume you work shortly
When computer gets hanged frequently. Let it sleep for some time

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