Operating System (OS)
You should choose sleep option when

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
You finish working and going to bed
The computer is tired after working for the whole day

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Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

None of these
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
it is necessary to retranslate the user's program deck every time it is run.
All of these
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.

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