How to turn on and off the computer

1: Computer needs ............ to work.

• water

• electricity

2:How to start a computer step 1 is.............

• switch on the power supply

• switch on the CPU

3:How to start a computer step 2 is........

• Switch on the monitor

• switch on the CPU

4:How to start a computer step 3 is .............

• switch on the monitor

• switch on the light

5:How to switch off the computer step 1 is .......

• switch off the monitor

• switch off the CPU

6:How to switch off a computer step 2 is..........

• switch off the power supply

• switch off the CPU

7:How to switch off the computer step 3 is........

• switch off the power supply

• switch off the light

8:You cannot run a computer without me guess who am I?

• electricity

• water