Chapter 5

Question 1

Which statement is true?

A. A PC power supply converts wattage to voltage.
B. A PC power supply converts voltage to wattage.
C. A PC power supply converts AC to DC.
D. A PC power supply converts DC to AC.

Answer 1

C. A PC power supply converts AC to DC.

Question 2

What is the name of the main power connector that goes between an ATX power supply and an ATX motherboard?

A. P3
B. P1
C. P2
D. P4

Answer 2

B. P1 [Long connector with a bunch of pins]

Question 3

The capacity of a power supply is normally stated in these units.

A. Volts
B. Watts
C. Amperes
D. Ohms

Answer 3

B. Watts

Question 4

What type of current is required by internal PC components?

A. Alternating Current (AC)
B. Direct current (DC)
C. IEC-320
D. PSU

Answer 4

B. Direct current (DC)

Question 5

Which of the following calculations would you use to determine the capacity you require in a power supply?

A. Add the voltage for all internal components.
B. Add the wattage for all internal components.
C. Add the voltage for all external components.
D. Add the wattage for all external components.

Answer 5

B. Add the wattage for all internal components.

Question 6

This component of a typical power supply dissipates heat.

A. Heat Sink
B. P1 connector
C. Fan
D. IEC-320

Answer 6

C. Fan

Question 7

What is a common term for a laptop power supply?

A. PSU
B. Heat sink
C. AC adapter
D. Thermal compound

Answer 7

C. AC adapter

Question 8

Select all the items that should be considered when selecting a new power supply.

A. Wattage
B. CPU
C. Form factor
D. Power connectors

Answer 8

A, C, and D

Wattage, Form factor, and Power connectors

Question 9

What equipment should you never use when working with a power supply?

A. Screwdriver
B. Connectors
C. Motherboard
D. Antistatic wrist strap

Answer 9

A. Screwdriver

Question 10

This venerable video interface standard was introduced with the IBM PS/2 computer in the 1980s.

A. DisplayPort
B. HDMI
C. DVI
D. VGA

Answer 10

D. VGA

Question 11

Which of the following video interface standards supports both analog and digital signals?

A. DisplayPort
B. HDMI
C. DVI
D. VGA

Answer 11

C. DVI

Question 12

This video standard supports both digital video and audio and has the thinnest cable and the smallest connectors.

A. DisplayPort
B. HDMI
C. DVI
D. VGA

Answer 12

A. DisplayPort

Question 13

This type of display uses an electron gun to activate phosphors behind the screen.

A. CRT
B. FPD
C. LCD
D. Plasma

Answer 13

A. CRT

Question 14

This type of display device takes up less desk space and replaces and older technology that uses more power.

A. CRT
B. FPD
C. ATX
D. USB

Answer 14

B. FPD

Question 15

Which of the following connectors is not used to connect a display to a digital video interface?

A. DVI
B. DB-15
C. HDMI
D. DisplayPort

Answer 15

B. DB-15

Question 16

Which of the following is not a DVI connector type?

A. DVI-A
B. DVI-B
C. DVI-I
D. DVI-D

Answer 16

B. DVI-B

Question 17

After physically connecting a touch screen and installing necessary device drivers, what important configuration task must you perform?

A. Record a fingerprint scan.
B. Calibrate.
C. Upgrade Windows
D. Wash the screen

Answer 17

B. Calibrate.

Question 18

This type of input device is ideal for the more elaborate computer games.

A. Joystick
B. Digitizer
C. Bar code reader
D. Game pad

Answer 18

D. Game pad

Question 19

When adding this type of device to a PC, you will normally have two cables for two separate connections between the device and the PC.

A. Printer
B. Touch screen
C. Touch pad
D. Joystick

Answer 19

B. Touch screen

Question 20

The local version of this type of device is found in server rooms, connecting multiple servers to a single set of I/O devices (mouse, display, and keyboard).

A. Scanner
B. Biometric
C. KVM switch
D. Multimedia

Answer 20

C. KVM switch