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Custom A+ > Comptia A Ch.1 > Flashcards

Comptia A Ch.1 Flashcards

1
Q

adapter

A

An electronic circuit card that connects into an expansion slot. Also called a controller, card, controller card, circuit card, circuit board, and adapter board.

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2
Q

BIOS (basic input/output system)

A

A chip that contains computer software that locates the operating system, POST, and important hardware configuration parameters. Also called ROM BIOS, Flash BIOS, or system BIOS

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3
Q

Bluetooth

A

A wireless technology for personal area networks.

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4
Q

bus-powered hub

A

A device with no external power supply that allows other USB devices to be connected and powered by the bus. Contrast with a self-powered hub.

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5
Q

Certified W-USB

A

A type of USB that supports high-speed, secure wireless connectivity between a USB device and a PC at speeds of 480Mbps (~10 feet) or 110Mbps (~30 feet). Wireless USB uses ultra-wideband, low-power radio over a range of 3.1 to 10.5GHz.

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6
Q

charging USB Port

A

A port that is able to provide power to charge and run an unpowered attached device such as a flash drive.

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7
Q

device manager

A

A Windows program that is used to view and configure hardware.

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8
Q

DisplayPort

A

A port, developed by VESA (Video Electronics Standards Association), that can send and receive audio and video signals. Used primarily for display devices and can connect to a single link DVI or HDMI port with the use of a converter.

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9
Q

docking station

A

A part that has connections for a monitor, printer, keyboard, and mouse that allows a laptop computer to be more like a desktop system

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10
Q

downstream port

A

A USB port used to connect a USB hub or USB device.

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11
Q

D-Shell Connector

A

A connector with more pins or holes on the top side than the bottom so that a cable inserts in only one direction. Examples include parallel, serial, and video ports.

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12
Q

dual link

A

more pins are available to send more signals, thus allowing higher resolutions.

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13
Q

DVI port (digital video/visual interface)

A

A port on a video adapter that is used to connect flat panel monitors to the computer.

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14
Q

DVI-A

A

A type of dual-link connector that is less common than DVI-D or DVI-I. It is used to carry a DVI signal to an analog display, most commonly a CRT monitor.

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15
Q

DVI-D

A

A type of video connector used with digital monitors.

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16
Q

DVI-I

A

The most common type of DVI video connector that is used with both analog and digital monitors.

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17
Q

eSATA port

A

A nonpowered port used to connect external storage devices at a maximum of two meters.

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18
Q

eSATAp Port

A

also known as eSATA/USB or power over eSATA. This variation can accept eSATA or USB cables and provides power when necessary.

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19
Q

Ethernet Port

A

An RJ-45 port used to connect a device to the wired network.

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20
Q

expansion slot

A

A motherboard socket into which adapters are connected.

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21
Q

firmware

A

Combines hardware and software attributes. An example is a BIOS chip that has instructions (software) written into it.

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22
Q

flash memory

A

A type of nonvolatile memory that holds data when the power is off.

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23
Q

floppy drive

A

An older storage device that accepts floppy disks.

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24
Q

hard drive

A

A sealed data storage medium on which information is stored. Also called a hard disk.

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25
Q

hardware

A

A tangible, physical item, such as the keyboard or monitor.

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26
Q

HDMI (High-Definition Multimedia Interface)

A

An upgraded digital interface that carries audio and video over the same cable.

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27
Q

IEEE 1394 port

A

A port that uses the IEEE 1394 standard for high-speed audio and video device data transfers known as FireWire. A single port supports the connectivity of up to 63 devices.

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28
Q

infared

A

A technology utilizing infrared light that allows devices to communicate across a wireless network. Examples are laptop computers, printers, and handheld computing devices

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29
Q

input device

A

Used to enter data into a computer. Some examples are keyboard, mouse, joystick, touch screen, trackball, camera, game console, scanner, and digital pen.

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30
Q

integrated motherboard

A

A motherboard that contains ports such as mouse, keyboard, video, NIC, and USB ports.

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31
Q

Internet appliance

A

An older term used to describe any device that can connect to the Internet through a wired or wireless network

32
Q

keyboard port

A

DIN connector on the motherboard into which only the keyboard cable must connect.

33
Q

keyed

A

A connector or cable that has an extra metal piece that allows correct connections.

34
Q

KVM switch (keyboard, video, mouse switch)

A

A component that allows multiple computers to be connected to a single keyboard, monitor, and mouse.

35
Q

mechanical mouse

A

A mouse that uses a rubber ball to move the pointer.

36
Q

memory

A

The part of a computer that temporarily stores applications, user documents, and system operating information.

37
Q

mini-DIN connector

A

A motherboard connector sometimes called a PS/2 connector that is used to connect keyboards and mice.

38
Q

modem (modulator/demodulator)

A

A device that connects a computer to a phone line, or connects computers and mobile devices to broadband, wireless, Wi-Fi, Bluetooth, or satellite networks.

39
Q

motherboard

A

The main circuit board of a computer. Also known as the mainboard, planar, or systemboard.

40
Q

mouse port

A

A DIN connector on the motherboard that should only accept the mouse cable.

41
Q

MSDS (material safety data sheet)

A

A document that contains information about a product, its toxicity, storage, and disposal.

42
Q

multitouch

A

A technology used on mobile devices to use a finger or knuckle to interface with the operating system by pinching, spreading, rotating, or swiping.

43
Q

Network Port

A

A port used to connect a computer to other computers, including a network server.

44
Q

NIC (network interface card)

A

An adapter used to connect a device to a network.

45
Q

operating system

A

A piece of software used to load a computer and make it operational.

46
Q

optical drive

A

A storage device that accepts optical discs such as CDs, DVDs, or BDs that have data, music, video or software applications.

47
Q

optical mouse

A

A mouse that has optical sensors used to move the pointer

48
Q

output device

A

A piece of computer hardware that receives (not sends to) data from a computer. An example of an output device is a monitor.

49
Q

parallel port

A

A old 25-pin female D-shell connector used to connect an older printer to a motherboard.

50
Q

PC (personal computer)

A

A common name for a computer, taken from the IBM PC brand.

51
Q

port

A

A connector located on the motherboard or on a separate adapter.

52
Q

port replicator

A

A part that is similar to a docking station. It attaches to the laptop computer and allows more devices such as a monitor, keyboard, and mouse to be connected.

53
Q

power supply

A

A device that converts AC voltage into DC voltage that the computer can use to power all internal and some external devices.

54
Q

RAM (random-access memory)

A

A volatile type of memory that loses its data when power to the computer is shut off.

55
Q

ROM (read-only memory)

A

A nonvolatile type of memory that keeps data in chips even when the computer is shut off.

56
Q

riser board

A

A board that connects to the motherboard that holds adapters.

57
Q

RJ-11

A

A type of connector used with analog modems and traditional phone jacks.

58
Q

RJ-45

A

A type of connector used on Ethernet network cards and ports. Used to connect a device to the wired network.

59
Q

SD (Secure Digital)

A

A storage device with nonvolatile flash memory used for mobile devices.

60
Q

self-powered hub

A

A type of hub power mode in which an external power supply is attached.

61
Q

serial port

A

Either a 9-pin male D-shell connector or a 25-pin male D-shell connector. Transmits 1 bit at a time and is used for input devices such as mice, modems, digitizers, trackballs, and so on.

62
Q

single link

A

A type of DVI video connection that allows resolutions up to 1920×1080.

63
Q

sleep-and-charge USB port

A

A computer port that provides power to an attached device (power to charge the device) even when the computer is powered off.

64
Q

software

A

An application consisting of a set of instructions that makes the hardware work.

65
Q

sound card

A

An adapter card (also known as an audio card) that has several ports that converts digital signals to audible sound, and also the reverse. Common devices that connect to the ports include microphones, speakers, and joysticks.

66
Q

S/PDIF (Sony/Phillips digital interface format)

A

Defines how audio signals are carried between audio devices and stereo components. It can also be used to connect the output of a DVD player in a PC to a home theater or some other external device.

67
Q

S-Video port

A

A composite video port, coded yellow, that uses a 7-pin mini-DIN connector.

68
Q

Thunderbolt port

A

A type of video port on PCIe adapters or on Apple computers.

69
Q

TouchFlo

A

A multitouch technology for mobile devices developed by HTC Corporation which distinguishes between a finger and a stylus and responds appropriately.

70
Q

upstream port

A

A USB port used to connect a computer to another computer or another hub.

71
Q

USB OTG (USB on the go)

A

Allows two USB devices to communicate without the use of a PC or a hub that is backward compatible with the USB 2.0 standard.

72
Q

USB port

A

A port on a motherboard or on an adapter that allows the connection of up to 127 devices.

73
Q

VGA port

A

A type of 15-pin three-row video port that normally has a CRT monitor attached.

74
Q

xD (extreme digital)

A

A storage device with nonvolatile Flash memory used for mobile devices.

75
Q

device driver

A

Special software that allows an operating system to access a piece of hardware.

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