DGVCL Exam Paper (12-06-2016)
The main advantage of AC over DC is:

AC can be easily converted into DC by using a rectifier
All of these
Conversion flexibility from one voltage level to other
AC is easy to maintain & can be easily distributed at long distances

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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.
When computer gets hanged frequently. Let it sleep for some time.
The computer is tired after working for the whole day.
You finish working and are going to bed.

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