Chapter 1: Introduction to Personal Computer Hardware

Question 1

This is the most common power supply on the market today. It includes a second motherboard connector to provide dedicated power to the CPU. There are several versions available.

a. AT
b. EPS12V
c. ATX12V

Answer 1

c. ATX12V

Question 2

This was originally designed for network servers but is now commonly used in high-end desktop models.

a. AT
b. EPS12V
c. ATX12V

Answer 2

b. EPS12V

Question 3

This connects hard drives, optical drives, and other devices.

a. Molex
b. Berg keyed connector
c. 4-pin to 8-pin auxiliary power connector.

Answer 3

a. Molex

Question 4

This connector has two rows of three to four pins and supplies power to internal components

a. Berg keyed connector
b. 6/8 pin PCIe power connector
c. 4-pin to 8-pin auxiliary power connector.

Answer 4

c. 6/8 pin PCIe power connector

Question 5

This is the only choice that does not allow for +3.3 V.

a. ATX
b. AT
c. ATX12V

Answer 5

b. AT

Question 6

In LGA architecture, the pins are on the underside of the processor which is inserted into the motherboard CPU socket using ZIF.

a. True
b. False

Answer 6

b. False

Question 7

Which of the following is an example of passive cooling?

a. Land Grid Array
b. Heat Sink
c. Pin Grid Array
d. Case Fan

Answer 7

b. Heat Sink

Question 8

It takes this many volts to damage a computer component

Answer 8

30 volts

Question 9

It takes this many volts for a person to feel an electrostatic discharge

Answer 9

3000 volts

Question 10

This is a buildup of an electric charge that exists on a surface which comes into contact with another, differently charged surface.

Answer 10

Static electricity

Question 11

This should be attached to you when working inside computers

Answer 11

Antistatic wrist strap

Question 12

Controls high speed access to RAM and the video card

Answer 12

Northbridge

Question 13

Considered the brain of the computer

Answer 13

CPU

Question 14

Provides locations for connecting additional components to the motherboard

Answer 14

Expansion Slot

Question 15

Used to boot the computer and perform a power-on self-test

Answer 15

BIOS Chip

Question 16

Smaller form factor that is backward compatible with ATX

Answer 16

Micro ATX

Question 17

Has only one PCI slot for expansion cards

Answer 17

Mini ITX

Question 18

A temporary location to store data and applications

Answer 18

RAM

Question 19

Allows the CPU to communicate with slower-speed devices

Answer 19

Southbridge

Question 20

Which statement best describes EPROM?

a. It is a type of RAM
b. It is a type of volatile memory
c. Data can be erased using a strong ultraviolet light
d. Data is programmed on it when it is manufactured
e. It can only be programmed once

Answer 20

c. Data can be erased using a strong ultraviolet light.

Question 21

A user complains that their computer is running very slowly. What solution would help to speed it up?

a. Add more RAM
b. Use error correction code memory
c. Switch to L1 cache
d. Erase and refresh the code in ROM
e. Add more ROM

Answer 21

a. Add more RAM

Question 22

Which RAM from the list provides the fastest performance?

a. GDDR SDRAM
b. SDRAM
c. DDR3 SDRAM
d. SRAM
e. DDR4 SDRAM

Answer 22

d. SRAM

Question 23

Error Correction Code memory can correct multiple bit errors?

a. True
b. False

Answer 23

b. False

Question 24

Which memory module can support both 32-bit and 64-bit transfers of data?

a. DIP
b. SIMM
c. DIMM
d. SODIMM

Answer 24

e. SODIMM

Question 25

This is a version of the PCI expansion slot that is used in laptops a. Mini-PCI b. PCI-x c. PCIe

Answer 25

a. Mini-PCI

Question 26

This expansion slot has x1, x4, x8, and x16 slots a. PCI b. PCIe c. PCI-X

Answer 26

b PCIe

Question 27

This laptop expansion slot has Type I, Type II and Type III form factors. a. Mini-PCI b. AGP c. PCI-X

Answer 27

a. Mini-PCI

Question 28

This is a card that adds additional expansion slots to a computer a. USB b. SATA c. Riser

Answer 28

c. Riser

Question 29

This adapter sends a video signal to a computer so that the signal can be recorded a. Video adapter b. TV tuner c. Capture card

Answer 29

c. Capture card

Question 30

Uses laser lights to record or read data. a. Optical b. Magnetic c. Solid State

Answer 30

a. Optical

Question 31

Records bits as magnetized areas on magnetic media a. Optical b. Magnetic c. Solid State

Answer 31

b. Magnetic

Question 32

Uses non-volatile memory chips to store data a. Optical b. Magnetic c. Solid State

Answer 32

c. Solid State

Question 33

What was the first type of input device? a. Facial Recognition Scanners b. Stylus c. Mouse d. Touch screen e. Keyboard f. Printer

Answer 33

e. Keyboard

Question 34

A company is building a new secure data center and wants to limit access to authorized personnel. What would be the best type of input device to use to limit access? a. Biometric device b. Keyboard c. VR headset d. Barcode scanner e. Magstripe reader

Answer 34

a. Biometric device

Question 35

Barcode scanners are used at self-checkout counters in large department stores. a. True b. False

Answer 35

a. True

Question 36

Which input functions are available on most current smartphones? (Choose all that apply.) a. Keyboard b. Touchpad c. Fingerprint Reader d. NFC tap pay e. Microphone

Answer 36

c. Fingerprint Reader and e. Microphone.