Power supplies

Question 1

Connects to the motherboard

Answer 1

20-pin or 24-pin slotted connector

Question 2

Connects disk drives

Answer 2

SATA keyed connector

Question 3

Connects hard drives, optical drives and other devices

Answer 3

Molex keyed connector

Question 4

Connects to legacy floppy drives

Answer 4

Berg keyed connector

Question 5

Supplies power to different areas of the motherboard

Answer 5

4-pin to 8-pin auxilliary power connector

Question 6

Supplies power to internal components

Answer 6

6/8-pin PCIe power connector

Question 7

Voltage that powers disk drive motors, fans, cooling devices and system bus slots

Answer 7

+12V (Yellow)

Question 8

Voltage that powers serial port circuits and early PROMs

Answer 8

-12V (Blue)

Question 9

Voltage that powers most newer CPUs, system memory and AGP video cards

Answer 9

+3.3V (Orange)

Question 10

Voltage that powers the motherboard, Baby AT and earlier CPUs and many motherboard components

Answer 10

+5V (Red)

Question 11

Voltage that powers ISA bus cards and early PROMs

Answer 11

-5V (White)

Question 12

Voltage that completes circuits with the other voltages

Answer 12

0V or Ground (Black)

Question 13

Increase in voltage from 115VAC to 120VAC or higher

Answer 13

Surge

Question 14

Quick increase in voltage and then back to normal

Answer 14

Spike

Question 15

Decrease in voltage to 110VAC

Answer 15

Brownout

Question 16

Total loss in power

Answer 16

Blackout