Site MapHelpFeedbackChapter 8 - Power Supplies
Chapter 8 - Power Supplies
(See related pages)

1
What unit is used to measure voltage?
A)Ampere
B)Ohm
C)Volt
D)Watt
2
What is the unit of measuring current?
A)Ampere
B)Ohm
C)Volt
D)Watt
3
Which of the following units is used to measure resistance?
A)Amp
B)Ampere
C)Ohm
D)Watt
4
What type of voltage does a PC use?
A)AC
B)DC
C)ground
D)LC
5
In an IEC-320 plug, which wire carries electrical voltage?
A)earth
B)ground
C)hot
D)neutral
6
Which of the following wires carries no voltage?
A)ground
B)hot
C)multimeter
D)neutral
7
A surge suppressor should be rated at a minimum of ____ joules.
A)330330
B)400
C)800
D)1449
8
Power supplies come with a standard ____ for the motherboard and interior devices.
A)connector
B)hole
C)pin
D)suppressor
9
The P1 connector from the power supply is plugged into the ____ socket.
A)P1
B)P2
C)P3
D)P4
10
Which connector is the most common type of connector used for devices that require 5 V or 12 V of power?
A)Molex
B)P1
C)P4 12 V
D)sub-mini connector
11
The 3.5-inch floppy drive uses the ____ connector.
A)mini
B)Molex
C)P1
D)P4 12V
12
Power supplies are rated in ____.
A)ampere
B)ohms
C)volts
D)watts
13
What type of power connector is L-shaped?
A)P1
B)Mini
C)Molex
D)SATA
14
A coworker is taking a computer overseas and asks you what concerns he should have. What do you tell him?
A)There are no issues to be concerned about.
B)His PC will not work overseas.
C)Make sure he switches the power supply to 230AC.
D)Make sure he switches the power supply to 115AC.
15
The standard modern power supply provides ____ volts of power.
A)3.3, 5, and 12
B)5 and 12
C)6 and 12
D)12
16
Which of the following uses the soft power feature?
A)AT
B)ATX
C)SATA connectors
D)Molex power supplies
17
Which power supply never turns off?
A)ATX
B)AT
C)P8, P9
D)P1
18
Molex connectors are used for ____ power.
A)central
B)AC
C)backup
D)peripheral
19
Most case fans have standard ____ connectors that are easy to plug in.
A)Molex
B)mini
C)mini
D)sub-mini
20
Expansion bays must be covered by the ____ to maintain proper airflow inside the case.
A)case sheath
B)case cover
C)slot lid
D)slot cover
21
The ____ power supply has a 24-pin main motherboard that resembles a 20-pin P1 connector.
A)EPS12 V
B)Molex
C)mini
D)P4 21 V
22
Which industry group came up with a non-ATX standard motherboard and power supply called EPS12 V?
A)Hardware System Infrastructure
B)Server Power Infrastructure
C)Server System Infrastructure
D)Software System Infrastructure
23
A(n) ____ power supply converts energy efficiently.
A)Active PFC
B)EPS 12V
C)SPS
D)UPS
24
What should be the outputs of the hot, neutral, and ground wires when tested with a multimeter?
A)0 V, 115 V, 0 V
B)0 V, 115 V, 2 V
C)112 V, 115 V, 0 V
D)115 V, 0 V, 0 V
25
How is DC voltage represented on multimeters?
A)V with a ~ below it
B)V with a dash below it
C)V with a ~ above it
D)V with a solid line above a dashed line
26
A PC doesn’t work. What should you check first?
A)Power supply voltages
B)12 V power supply
C)Ensure DC plug is plugged in
D)Ensure AC plug is plugged in
27
Power supplies are protected from spikes of AC current with the use of a ____.
A)fuse
B)surge suppressor
C)UPS
D)All of the above
28
What UL rating should you look for on a surge suppressor?
A)UL497A
B)UL1497A
C)UL1449
D)1750 joules
29
How many watts of power does a typical hard drive in a PC require?
A)12
B)15
C)20
D)18
30
How many watts of power does an Athlon64X2 CPU require at peak performance?
A)50
B)70
C)110
D)200
31
The notches in the Molex connector that guides installation are called ____.
A)chamfers
B)power
C)ports
D)sockets
32
Which is the latest ATX power supply standard?
A)ATX12V 1.3
B)ATX12V 2.0
C)ATX12V 3.0
D)EPS12V
33
Which of the following is a correct statement?
A)An open case allows better cooling.
B)An open case ruins airflow and loses cooling efficiency.
C)Cooling the PC is not recommended.
D)Large cases do not require cooling.
34
What class of fire extinguisher should be used on an electrical fire?
A)Class A
B)Class B
C)Class C
D)Class D
35
What is the amount of amps and volts needed by a particular device to function called?
A)Amperes
B)Resistance
C)Voltage
D)Wattage







Mike Meyer's A + SeriesOnline Learning Center

Home > Chapter 8 > Multiple Choice Quiz