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

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

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

The computer is tired after working for the whole day.
You finish working and are 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 your work shortly.

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