DGVCL Exam Paper (12-06-2016)
You should choose Sleep option when

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

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DGVCL Exam Paper (12-06-2016)
A Step Up transformer :

Steps up the level of Voltage
Step up the level of Frequency
(a) and (b) only
Steps down the level of current

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