Deck 4: Power Supplies and System Cooling

Question 1

It is not vital to have a properly functioning power supply for a computer to work correctly.

Answer 1

False

Question 2

All power supplies use fans to dissipate the heat created by the operation of the power supply.

Answer 2

False

Question 3

Most power supplies, excluding a few early ATX power supplies, use a cooling technique called negative pressure.

Answer 3

True

Question 4

All multimeters are equipped with red and black test leads.

Question 5

Multimeters use only one method of readout style.

Question 6

Low-cost surge suppressors are often just as useful as their more expensive counterparts.

Question 7

There are two different types of UPS systems.

Question 8

Power supply capacity is rated in watts.

Question 9

Aluminum is the only material used for all heatsinks in computers today.

Question 10

Thermal compound should always be applied when installing a new passive or active heatsink on a processor, northbridge or southbridge chip, GPU, or other component.

Question 11

The two major symptoms in overloading a power supply are overheating and _______.

A) Surge suppression
B) Spontaneous rebooting
C) Bad motherboard
D) Low voltage

Question 12

To determine if the fan in a power supply has failed, you should do which of the following?

A) Listen to the unit.
B) Check the blades of the fan while the power is on.
C) Both a and b.
D) None of the answers provided are correct.

Question 13

Typically, recent power supplies in tower-case (upright case) machines use ______ power supplies reflecting on the greater number of drives and cards that can be installed in the computer.

A) 300 watt
B) 400 watt or larger
C) 500 watt or smaller
D) 500 watt or larger

Question 14

A(n) _________ is caused by connecting devices that draw more power (in watts) than the power supply is designed to handle.

A) Overloaded power supply
B) Fan failure
C) Inadequate airflow
D) None of the above

Question 15

What is used as a diagnostic tool to test the functionality of a defective device such as a power supply but can also be used to test coaxial, serial, and parallel cables, as well as fuses, resistors, and batteries?

A) Fuse box.
B) Voltage meter.
C) Multimeter.
D) None of the answers provided are correct.

Question 16

What is another name for a battery backup unit?

A) UPS (Uninterruptible Power Supply)
B) Overvoltage
C) Spike
D) Surge

Question 17

Which of the following are signs of a dead system with no signs of life when turned on? (Choose all that apply.)

A) Defects in AC power to the system
B) Power supply failure or misconfiguration
C) Temporary short-circuits in internal or external components
D) Power supply or other component failure
E) All answers provided are correct

Question 18

What is the name of the finned metal device that radiates heat away from the processor?

A) Surge protector
B) Heat sink
C) Surge suppressor
D) Multimeter

Question 19

What is an active heat sink?

A) A heat sink with metal piping
B) A heat sink with a power supply
C) A heat sink with a processor
D) A heat sink with a fan

Question 20

What is the other name for the northbridge?

A) Memory controller hub chip
B) Surge suppressor
C) I/O controller hub chip
D) PCI card

Question 21

What is the other name for the southbridge?

A) Surge suppressor
B) Memory controller hub chip
C) I/O controller hub chip
D) NIC card

Question 22

What are the three heatsink methods used for cooling the motherboard chipset? (Choose all that apply.)

A) Active heatsink
B) Passive heatsink
C) Heat pipes
D) Active pipes
E) Passive pipes

Question 23

In most recent mid-range to high-end video cards, what is used to keep the GPU and video memory cool?

A) Northbridge
B) Southbridge
C) Fan shroud
D) Case fans

Question 24

What is the biggest rear case fan you can use?

A) 50mm
B) 80mm
C) 120mm
D) 150mm

Question 25

Overheated power supplies can cause system failure and possible component damage due to which of the following causes.

A) Overloading
B) Fan failure
C) Dirt and dust
D) All the above

Question 26

Matching

-AC

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 27

Matching

-DC

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 28

Matching

-Power supply

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 29

Matching

-Surge protector

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 30

Matching

-UPS

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 31

Matching

-Passive heat sink

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 32

Matching

-Active heat sink

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 33

Matching

-Multimeter

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 34

Matching

-Thermal compound

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies

Question 35

Matching

-Negative pressure

A) The kind of electrical current used to run homes and businesses
B) The type of electrical current supplied by batteries or by a PC's power supply
C) A device that supplies and converts electrical power for system use
D) A device that absorbs high-voltage events to protect electrical devices
E) A device used for backup when electrical strikes or brownouts occur
F) Capable of providing cooling without power or mechanical parts
G) Capable of providing cooling with power through the use of fans
H) A device designed to measure electrical sources in voltage, current, and resistance
I) A substance applied to provide the best possible heat transfer between a component and the heat sink
J) Cooling technique used by most power supplies