Question

Which of the following is the purpose of a power supply unit?

OA powers the monitor and keyboard
OB. transfers heat from computer parts out to the open air
OC. converts electricity from alternating to direct current
OD. connects the motherboard to the monitor

Answer 1

Answer: OC

Explanation: converts electricity from alternating to direct current

The power supply puts electricity into the computer from the wall

No power supply, no electricity to power on and post at start-up ....