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CompTIA A+ > Cable Types > Flashcards

Cable Types Flashcards

1
Q

Importance of Cables in Computing

A

Cables connect components internally (inside the system) and externally (to peripherals).

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2
Q

Binary digit (1 or 0)

A

Bit (b)

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3
Q

Nibble

A

4 bits

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4
Q

Byte (B)

A

8 bits

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5
Q

1 Kb (kilobit)

A

1,000 bits

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6
Q

1 KB (kilobyte)

A

1,000 bytes

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7
Q

1 Mb (megabit)

A

1,000,000 bits

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8
Q

1 MB (megabyte)

A

1,000,000 bytes

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9
Q

1 Gb (gigabit)

A

1,000,000,000 bits

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10
Q

1 GB (gigabyte)

A

1,000,000,000 bytes

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11
Q

1 Tb (terabit)

A

1,000,000,000,000 bits

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12
Q

1 TB (terabyte)

A

1,000,000,000,000 bytes

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13
Q

How many MBps is in 1 Gbps

A

125 MBps (1 Gbps = 1,000 Mbps (because 1 Gbps = 1,000 megabits)
Then, convert megabits to megabytes:
1,000 Mbps ÷ 8 = 125 MBps)

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14
Q

How many Gbps in 250 GBps

A

2,000 Gbps (250x8)

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15
Q

USB 1.0 speeds

A

1.5 Mbps & 12 Mbps

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16
Q

USB 2.0 speeds

A

480 Mbps

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17
Q

USB 3.0 Gen 1 speeds

A

5 Gbps

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18
Q

USB 3.0 Gen 2 speeds

A

10 Gbps

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19
Q

USB 3.0 Gen 2x2 speeds

A

20 Gbps

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20
Q

USB 4.0 speeds

A

40 Gbps

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21
Q

USB-C speeds

A

10 Gbps +

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22
Q

Standard rectangular plug

A

Type A

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23
Q

Square plug (printers, scanners)

A

Type B

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24
Q

Older small form factor USB

A

Mini USB

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25
Q

USB used for older smartphones and accessories

A

Micro USB

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26
Q

High-Definition video/audio

A

HDMI

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27
Q

High-performance alternative to HDMI

A

DisplayPort

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28
Q

Digital and analog support (older standard)

A

DVI

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29
Q

Analog video (outdated, still found in some systems)

A

VGA

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30
Q

High-speed data & video transfer

A

Thunderbolt

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31
Q

Common for internal HDDs/SSDs

A

SATA

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32
Q

External version of SATA

A

eSATA

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33
Q

Legacy drive connection

A

IDE/PATA

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34
Q

Older high-speed interface for servers

A

SCSI

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35
Q

Apple proprietary connector

A

Lightning

36
Q

Used for legacy networking and peripherals

A

Serial Cables

37
Q

Power connector for older drives/fans

A

Molex

38
Q

The ability to read and write information to the system using an optical
device

A

CD Drive

39
Q

A physical button, that when pushed, sends an electrical signal from a
cable directly to the motherboard that tells the computer to turn on

A

Power Button

40
Q

Used to connect headphones and microphones to the computer using a
1/8th inch Mini-Jack

A

Audio Jack

41
Q

Used to connect other peripherals, like a mouse, a keyboard, a webcam,
a printer, or other devices to a computer

A

SuperSpeed USB Connectors

42
Q

Blows hot air out of the CPU, the motherboard, and the case which
expels the extra heat out of the system to keep the component insides
cool

A

Cooling Fan

43
Q

Used to connect a monitor, TV, or another device for a video output
display

A

HDMI Connector

44
Q

Provides net access to local area networks over a wired connection

A

RJ 45 Connector

45
Q

An optical connector that allows high quality audio to a surround sound
system
-USB 2.0 speeds are good for a microphone, a mouse, or a keyboard

A

SPDIF Connector

46
Q

Allows the ability to place a metal cable from the desk to the computer
tower to ensure the computer tower is not stolen

A

Kensington Lock

47
Q

replaced older serial cables (DB9, DB25).
-Serial cables were slow (max 115 kbps) and only allowed one device per port.

A

USB

48
Q

USB supports up to 127 devices per controller via _______ with hubs

A

Daisy Chaining

49
Q

USB 1.0 & 3.x+ cable length limits

A

3m (9ft) max

50
Q

USB 1.1 & 2.0 cable length limits

A

5m (15ft) max

51
Q

Longer cables can cause

A

signal loss and reduce speeds.

52
Q

A D-shaped sub miniature pin that goes into the back of a computer and
has two thumb screws on the side

A

DB 25 Connector

53
Q

A slow speed connection for much older mice keyboards and other
external modems

A

DB 9 Connector

54
Q
  • Most widely used video interface (TVs, gaming consoles, Blu-ray, computers).
  • Supports multiple resolutions:
    o 1080p (1920x1080) HD
    o 4K & 8K with refresh rates of 60Hz, 120Hz, and 144Hz
A

HDMI

55
Q

ensures secure device connection (e.g., Roku to TV).

A

HDCP (High-bandwidth Digital Content Protection)

56
Q

Most common HDMI

A

Type A (Full Size)

57
Q

HDMI Used in cameras, smaller devices

A

Type C (Mini HDMI)

58
Q

Smallest HDMI, used in compact devices

A

Type D (Micro HDMI)

59
Q

HDMI Category - Supports up to 1080p @ 60Hz

A

Category 1 (Standard HDMI)

60
Q

HDMI Category - Supports 4K, 8K, and higher refresh rates

A

Category 2 (High-Speed HDMI)

61
Q

Developed by VESA (Video Electronics Standards Association) as an alternative to HDMI.
-Supports video, audio, digital content protection, 4K+ resolutions.

A

DisplayPort

62
Q

DisplayPort with Locking mechanism for secure connection

A

Full-Size DisplayPort

63
Q

Type of DisplayPort Used in smaller devices

A

Mini DisplayPort (MiniDP or mDP)

64
Q

DP Older versions speeds

A

2.7 Gbps

65
Q

DP new version speeds

A

Up to 20 Gbps

66
Q

Older video standard supporting both analog & digital signals.
* Used before HDMI became common; still found in older computers.
* Connector has pins instead of a flat plug like HDMI/DisplayPort.

A

DVI (Digital Visual Interface

67
Q

DVI-A

A

Analog Only

68
Q

DVI-D

A

Digital Only

69
Q

DVI-I

A

Supports both analog and Digital

70
Q
  • Analog-only 15-pin connector, used in older systems.
  • Each pin controls a part of the signal (e.g., color, sync).
  • Found in legacy systems (e.g., old government/military equipment).
A

VGA (Video Graphics Array)

71
Q
  • High-speed data & video interface originally developed by Apple, now used across devices.
    o Often used for high-speed data storage and video output
A

Thunderbolt

72
Q

Uses Mini DisplayPort (mDP) connector

A

Thunderbolt 1 and 2

73
Q

Uses USB-C connector, supports USB-C devices

A

Thunderbolt 3

74
Q

Thunderbolt 3 speeds and max cable length

A

40 Gbps (max cable length 0.5m / 1.6ft for full speed)

75
Q

o Standard method for connecting storage devices to motherboards.
o Used for internal hard drives, optical drives.

A

SATA (Serial Advanced Technology Attachment)

76
Q

7-pin Data Cable for SATA

A

Transfers Data

77
Q

15-pin Power Cable for SATA

A

Provides power

78
Q

SATA 1 speeds

A

1.5 Gbps

79
Q

SATA 2 speeds

A

3 Gbps

80
Q

SATA 3 speeds

A

6 Gbps

81
Q

o Allows SATA connection externally.
o Faster than USB 2.0 (480 Mbps) when introduced.
o Became less common with USB 3 & USB 4 offering 10-40 Gbps.

A

eSATA

82
Q

o Predecessor to SATA.
o Uses a 40-pin flat ribbon cable.
o Parallel connection allowed two devices per cable.
o Required a MOLEX 4-pin power connector.
o Rarely found on modern motherboards.

A

IDE/PATA (Parallel Advanced Technology Attachment)

83
Q

o Legacy parallel bus connector.
o Supported daisy-chaining multiple devices.
o Mostly obsolete, except in older servers and legacy systems.

A

SCSI (Small Computer Systems Interface)

84
Q

Narrow SCSI amount of supported devices

A

7

85
Q

Wide SCSI amount of supported devices

A

15

86
Q

SCSI cable Required MOLEX for power

A

68-pin High-Density Cable

87
Q

SCSI cable Combined data & power.

A

80-pin SCA (Single Connector Attachment)

CompTIA A+ (25 decks)

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