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Computer Essentials > A+ Domain 1 Hardware > Flashcards

A+ Domain 1 Hardware Flashcards

1
Q

Which keyboard key can boot a computer directly to the BIOS?

A

Delete

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2
Q

Which BIOS screen shows a list of computer drives?

A

Standard CMOS Features

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3
Q

A user is having trouble booting into a computer. A technician removes the USB drive and the computer boots normally. Where in the BIOS can the technician go to change a setting so that the computer does not have this problem in the future?

A

Boot Sequence

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4
Q

Which BIOS setting controls whether a system boots up on its own after a power outage has ended?

A

Restore on AC Power Loss

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5
Q

Which types of passwords are usually found in a BIOS? Choose two answers

A

User

Supervisor

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6
Q

In a BIOS, overclocking information is typically saved in __________.

A

Overclocking Profile

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7
Q

Which is the inherent problem when increasing a CPU’s clock settings?

A

Temperature may be too high

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8
Q

Which part of a computer can be encrypted in some BIOS settings?

A

Hard drive

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9
Q

Which BIOS setting indicates that the case is being removed from the computer?

A

Intrusion detection and notification

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10
Q

Which Windows screen shows the BIOS information, including the BIOS number?

A

System Information

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11
Q

Which types of motherboards do not usually need fan or liquid cooling? Choose two answers.

A

Mini ITX

ITX

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12
Q

What are 2 common motherboard types?

A

ATX 12x9.6

Micro ATX 9.6x9.6

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13
Q

Which motherboard typically has a square shape?

A

Micro ATX

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14
Q

Which type of chipset interacts with onboard graphics, expansion slots, and USB?

A

Southbridge

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15
Q

If the system date and time keeps resetting every time a computer is booted up, which item is most likely failing?

A

CMOS battery

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16
Q

Northbridge chipsets interact with?

A

CPU
RAM
sometimes as a dedicated graphics slot

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17
Q

Southbridge chipsets interact with?

A

slower components (Onboard Video, Audio, PCI bus, USB, SATA, BIOS) and sends their signals to northbridge

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18
Q

Which is a type of fan connector?

A

Molex

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19
Q

Which are types of front panel connectors? Choose four answers.

A

USB
FireWire
Headphone
Microphone

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20
Q

A user is trying to turn a computer on. They have pushed the power button, but the power light is not on. Which are possible reasons for this issue? Choose two answers.

A

The computer is unplugged

The power cable inside the computer is disconnected

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21
Q

Bus speed is?

A

a connection between 2 or more components

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22
Q

Bus speeds are measured using which method of measurement?

A

Hz

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23
Q

A 32 bit address bus can access how much memory?

A

4 GB memory

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24
Q

Which is the oldest type of RAM?

A

DDR

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25
Q

A 32 bit address bus can access how much memory?

A

4 GB memory

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26
Q

A 32 bit data bus can transfer how much data per memory operation?

A

32 bits

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27
Q

A 32 bit data bus can transfer how much data per memory operation?

A

32 bits

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28
Q

A 64 bit data bus can transfer how much data per memory operation?

A

64 bits

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29
Q

Which type of RAM is used in laptops?

A

SO-DIMM

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30
Q

A __________- sided RAM chip can run both of its sides at a time while a __________- sided chip can only run one side at a time.

A

single; double

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31
Q

Which error checking method is only used in high-end machines?

A

ECC RAM

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32
Q

the 2 types of error checking RAM are?

A

Parity

Error Correcting Code

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33
Q

How much data does RAM transmit at a time?

A

8 bits

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34
Q

How much data does RAM transmit at a time, in parity error checking?

A

9 bits

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35
Q

ECC stands for?

A

Error Correcting Code

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36
Q

Buffered memory has an extra chip on the __________ module to handle large amounts of processing.

A

DIMM

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37
Q

Which is the first step to installing a video or sound card?

A

Get the drivers

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38
Q

What is the formula for determining chip set clock speed?

A

Chip PC # / 8 = clock speed

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39
Q

What is the formula for determining PC speed?

A

of MHz x 8 = PC speed

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40
Q

Video cards are installed in which type of slot?

A

PCI Express

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41
Q

Which are types of expansion cards? Choose four answers.

A

Riser
Modem
TV tuner
Thunderbolt

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42
Q

Which type of expansion card sometimes has built-in RAID support?

A

Storage

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43
Q

A storage card is?

A

adds support for additional disks

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44
Q

A modem card is?

A

used for dial up

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45
Q

A wireless/cellular card is?

A

connects computer to cell network

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46
Q

TV tuner cards are?

A

allows for watching/recording TV shows

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47
Q

Video capture cards are?

A

captures video

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48
Q

Riser cards are?

A

expansion cards that allow for more expansion

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49
Q

Riser cards are?

A

allows expansion of more cards

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50
Q

Which are types of optical drives? Choose three answers.

A

CD
DVD
Blu-ray

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51
Q

Which are different types of recordable discs? Choose four answers.

A

BD-R
BD-RE
DVD-RW
DVD-RW DL

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52
Q

What is the base speed of CD?

A

150 KBps

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53
Q

What is the base speed of DVD?

A

1.39 MBps

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54
Q

What is the base speed of Blue-ray?

55
Q

What is the formula to determine drive speed MBps?

A

drive base MBps x “x” listed on drive = total MBps

56
Q

Which best defines a hot swappable device?

A

A hard drive that can be installed or uninstalled into a machine while it is running

57
Q

Which are types of flash memory drives? Choose four answers.

A

xD
MiniSD
MicroSD
Compact Flash

58
Q

Which is a regular SD measurement?

A

24 x 32 mm

59
Q

Which best defines an eMMC?

A

Flash memory and a controller that goes into a small ball grid array as a permanent attachment to circuit boards

60
Q

RAID stands for?

A

Redundant Array of Independent Disks

61
Q

How many hard drives are used in a RAID 0 (striping)?

A

2, if one goes down all go down

62
Q

What are RAID 1 characteristics?

A

2 disks, written to 1, mirrored to the second

63
Q

Which is a tape drive backup method?

A

Grandfather, Father, Son

64
Q

What are RAID 1 characteristics (mirrored)?

A

2 disks, written to 1, mirrored to the second

65
Q

What are RAID 5 characteristics?

A

3 disks, striped to 2, parity on 1 to restore other 2

66
Q

What are RAID 10 characteristics?

A

4 disks, striped to 2, mirrored to the other 2

67
Q

A movie lover needs to store a movie that is over 2 GB large. Which form of media should the movie lover use?

68
Q

Which are Intel CPU socket types? Choose four answers.

A

775
1150
1366
2011

69
Q

CDs have how much storage?

70
Q

Single sided DVDs have how much storage?

71
Q

Double sided DVDs have how much storage?

72
Q

Single layer Blurays have how much storage?

73
Q

Dual layer Blurays have how much storage?

74
Q

Triple layer Blurays have how much storage?

75
Q

Quad layer Blurays have how much storage?

76
Q

Which are groups of AMD CPU sockets? Choose two answers.

77
Q

When it comes to CPUs, having multiple cores does not mean there are multiple __________.

A

processors

78
Q

Which best defines a CPU cache?

A

A CPU element that stores instructions the CPU will need again in SRAM

79
Q

Virtualization support ensures users can support which type of virtual machines?

80
Q

Which are the two different types of CPU architecture?

A

32 bit

64 bit

81
Q

Which best describes what the Execute Disable Bit does?

A

Disables code execution in the buffer when a worm tries to insert code into it

82
Q

Which are CPU cooling methods? Choose five answers.

A 
Fans
Heat sink
Liquid-based
Thermal paste
Fanless/passive
83
Q

Which are types of physical computer connections? Choose four answers.

A

USB
Micro
SATA
FireWire

84
Q

USB 3.0 cables can support up to how many bits?

85
Q

A user has a client who needs to be able to transfer data from one site to another as quickly as possible. Which SATA cable should the user install?

86
Q

Which are types of network connectors? Choose two answers.

A

RJ-11

RJ-45

87
Q

Which are types of PC video connectors? Choose four answers.

A

VGA
HDMI
DVI-A
DVI-D

88
Q

Thunderbolt connectors combine __________ and DisplayPort into one signal.

A

PCI Express

89
Q

Which is the typical signal used for a wireless network?

90
Q

Which is the typical signal used for a wireless network?

A

Radio Frequency

91
Q

Which form of wireless connection is more common on smartphones than on desktops and laptops?

92
Q

Types of NFC

A

NFC Card Emulation
NFC Reader Writer
NFC Peer to Peer

93
Q

Which are power supply connector types? Choose three answers.

A

SATA
4/8-pin CPU
20/24-pin motherboard

94
Q

For an ATX case, a user would need __________ watts or higher, but for a micro-ATX, __________ to 300 watts should be sufficient.

95
Q

Which type of rail is dedicated to the CPU of a computer?

96
Q

What is a dual rail?

A

a rail dedicated to the CUP and the second rail is dedicated to everything else.

97
Q

Which items are required for a Graphic/CAD/CAM design workstation? Choose three answers.

A

Multicore processor
High-end video card
At least 8 GB of RA

98
Q

Which two items are most important to a virtualization workstation?

A

RAM

CPU cores

99
Q

A home theater PC has surround sound audio, HDMI output, an HTPC compact form factor and (a) __________.

100
Q

Which best defines a thin client workstation?

A

A machine with an operating system, basic applications, and network connectivity

101
Q

Which are the two types of LCD monitor panels?

A

Twisted Nematic

In-plane switching

102
Q

Which are types of displays? Choose three answers.

A

OLED
Plasma
Projector

103
Q

Frame rate refers to how many __________ appear on the screen per second.

A

screen frames

104
Q

Brightness is the degree in which the overall lighting will appear on a screen while __________ are/is the measured unit(s) that dictate(s) the amount of light output.

105
Q

Which are standard interfaces for analog or digital monitors? Choose three answers.

A

DVI
VGA
HDMI

106
Q

Which is required in order to attach two monitors to one computer with only one monitor connection?

107
Q

Users can configure multiple displays in which ways? Choose three answers.

A

Extend the displays
Duplicate the displays
Show the desktop on only one of the displays

108
Q

Which are types of DVI cables? Choose three answers.

A

DVI-I
DVI-D
DVI-A

109
Q

Which display connector type transmits video, audio, and USB signals for monitors that have USB connectors?

A

DisplayPort

110
Q

Which type of display cables use colors and consist of at least three separate cords? Choose two answers.

A

Composite

Component

111
Q

Which SATA cable type is longer?

112
Q

Which are 9-pin FireWire cables? Choose two answers.

A

S1600

S3200

113
Q

For old PS/2 ports, __________ is for a mouse and __________ is for a keyboard.

A

green; purple

114
Q

Which are cable adapters and converters? Choose four answers.

A

DVI to VGA
PS/2 to USB
HDMI to VGA
Thunderbolt to HDMI

115
Q

Which are computer input devices? Choose five answers.

A 
Mouse
Webcam
Keyboard
Touchpad
Microphone
116
Q

Which are gaming input devices? Choose two answers.

A

Joystick

Gamepad

117
Q

Which computer input devices are used to record images and videos? Choose two answers.

A 
Digitizer
	B - Virtualizer
	C - Camcorder
	D - Digital camera
	E - Biometric devices
118
Q

Which computer input devices are used to record images and videos? Choose two answers.

A

Camcorder

Digital camera

119
Q

Which are considered both input and output devices? Choose three answers.

A

MIDI device
KVM switch
Touch screen

120
Q

A __________ is an input and output device which uses an Internet connection to stream content though applications.

121
Q

Which are printer configuration settings? Choose four answers.

A

Duplex
Collate
Quality
Orientation

122
Q

In addition to a wired connection like __________, users can share printers wirelessly.

123
Q

A user needs to use a wireless connection for their printer. The printer is only five meters away. Which form of wireless connection should the user utilize?

124
Q

Which are the two connection types when setting up a printer wirelessly?

A

Ad-hoc

Infrastructure

125
Q

Which are Apple-based features that help share devices like printers over a network? Choose two answers.

A

AirPrint

Bonjour

126
Q

How high can a hard drive cache be on a solid-state drive?

127
Q

Which are parts of an inkjet printer? Choose five answers.

A 
Feeder
Carriage
Print head
Ink cartridge
Duplexing assembly
128
Q

Which best defines the thermal printer process?

A

A feeder pushes thermal paper until it advances through a sprocket, heats up, changes color, and prints

129
Q

Which elements are associated with impact printers? Choose four answers.

A

Pin
Ribbon
Print head
Tractor feed

130
Q

Which virtual print option is Microsoft’s answer for users with no PDF reader?

A

Print to XPS

131
Q

A user needs to perform some routine maintenance on their laser printer. Which actions should the user perform? Choose two answers.

A

Cleaning

Replace the toner

132
Q

Which is a reason a user should replace the print head of an impact printer?

A

When the pins stop working

133
Q

Which are inkjet printer maintenance actions? Choose four answers.

A

Clear jams
Calibration
Clean heads
Replace cartridges

Computer Essentials (12 decks)

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