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CompTIA A+ > Computer Expansion > Flashcards

Computer Expansion Flashcards

1
Q

USB (Universal Serial Bus)

A

A physical interface standard used to connect up to 127 peripheral devices to the computer.

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2
Q

SATA (Serial AT Attachment)

A

A physical interface used to connect internal hard drives, solid state drives and optical drives to the computer.

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3
Q

eSATA (external SATA)

A

A connector that allows a user to connect external SATA hard drives, solid state drives and optical drives to the computer.

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4
Q

RJ-11 (Registered Jack 11)

A

A connector used for wired analog telephone service and for dial-up modem connections on computers.

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5
Q

Composite Video

A

An analog video transmission that carries standard definition video typically 480i or 576i resolution as a single channel.

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6
Q

Display Port

A

A digital connector designed for high resolution computer monitors.

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7
Q

On newer Apple computers, what physical interface has been replaced by Thunderbolt?

A

FireWire

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8
Q

What video interfaces are analog only?

A

DVI-A and VGA

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9
Q

What physical interface is used on sound cards to connect synthesizers and other electronic instruments?

A

MIDI

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10
Q

MIDI

A

Musical Instrument Digital Interface

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11
Q

What digital connector is designed for high-resolution computer monitors?

A

Display Port

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12
Q

What short-range wireless interface is used with smartphone technology for point-of-sale payments?

A

Near field communication (NFC)

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13
Q

FireWire

A

A general purpose serial bus that is more efficient for high speed storage and video connections

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14
Q

RJ-45 (Registered Jack 45)

A

A connector with eight pins which is used for wired networks

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15
Q

RJ-232 (Registered Jack 232)

A

A low-speed serial connector found on old PCs which is used for mice, external modems, and various other devices

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16
Q

Parallel connector

A

A printer port used for old printers and other external devices

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17
Q

PS/2

A

A connector with six pins which is usually color-coded that is purple for keyboard and green for mouse

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18
Q

Thunderbolt can connect DisplayPort, DVI, HDMI, and VGA displays using adapter.

A

True

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19
Q

Thunderbolt has the ability to create a peer-to-peer network of two Apple computers.

A

True

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20
Q

Thunderbolt can provide 20 W of power to each connected device.

A

False

21
Q

Thunderbolt can transmit and receive data at the same time.

A

True

22
Q

Thunderbolt uses the Mini DisplayPort and USB Type A connectors.

A

False

23
Q

Bluetooth

A

The most common standard today for wireless peripheral

24
Q

What is the brand name of a hardware interface developed by Intel that allows the connection of external peripherals to a computer?

A

Thunderbolt

25
Q

What type of USB dongle provides additional display outputs?

A

USB graphics adapter

26
Q

Security

A

Provides authentication or software copy protection

27
Q

USB cellular modem

A

Provides 3G/4G connectivity

28
Q

USB legacy connector

A

Provides serial, parallel, or PS/2 ports

29
Q

USB to Ethernet

A

Provides the physical interface for an RJ-45 networking cable

30
Q

USB graphics adapter

A

Provides additional display outputs

31
Q

What connector type is used by both component and composite cables?

A

RCA

32
Q

RCA

A

A higher quality connection which uses three cables grouped together (with the red, blue, and green RCA connectors) for analog video.

33
Q

BNC Coaxial

A

Both audio and video are carried as a modulated radio signal through a coaxial cable with a single inner wire surrounded by an insulated layer and a braided metal shield.

34
Q

VGA cable and connector

A

VGA HD15 cables carry analog component RGBHV (red, green, blue, horizontal sync, vertical sync) video signals and VESA Display Data Channel (VESA DDC) data from a VGA-enabled device, such as a projector or computer, to a monitor.

35
Q

What is a small connector on Apple’s mobile devices that charges and connects the devices to computers and charging bricks?

A

Lightning

36
Q

Micro USB A

A

A small rectangular connector with a white-colored receptacle and five pins used with USB on-the-go devices

37
Q

USB Mini B

A

A small, five-pin connector used for mobile devices

38
Q

USB Type B

A

A square connector with slightly beveled corners which connects to the peripheral device and not the host

39
Q

USB Mini A

A

A small, five-pin connector that has been deprecated

40
Q

USB Type A

A

A flat and rectangular connector with four pins which connects to the USB port on the host or hub

41
Q

Micro USB B

A

A small rectangular connector with a black-colored receptacle and five pins used with USB on-the-go devices

42
Q

What connector is used with USB on-the-go devices such as cellphones, GPS units, PDAs, and digital cameras?

A

Micro USB A

43
Q

What connector is used for wired analog telephone service and for dial-up modem connections on computers?

A

RJ-11

44
Q

What bluetooth version introduced Bluetooth Low Energy (BLE) technology?

A

Bluetooth 4.x

45
Q

What 18-pin connector is designed to carry both digital and analog signals allowing for one TMDS link?

A

DVI-I Single-Link

46
Q

What is a low-speed serial connector found on old PCs and used for mice, external modems, and various other devices?

A

RS-232

47
Q

What small five-pin connector is used for mobile devices?

A

USB Mini B

48
Q

What device is designed for only two devices to temporarily communicate over short distances and only one of them even needs to be powered?

A

NFC

49
Q

The ExpressCard technology is replaced by what interface?

A

Thunderbolt

CompTIA A+ (24 decks)

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