Operating System (OS)
Swapping

does not work with overlaying
None of these
works best with many small partitions
allows each program in turn to use the memory
allows many programs to use memory simultaneously

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

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