Operating System (OS)
Sleep is a good mode to use because

All of the listed here
It consumes low battery when you start it again
It makes computer fresh after it wakes up
It saves power which in true is saving money

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Operating System (OS)
Seeks analysis

is used for analyzing paging problems
is used for analyzing device busy problems
None of these
is used for analyzing control-unit busy problems
is only shown on real-time displays

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