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IT Support Technician > 1A Explain Cable Types and Connectors > Flashcards

1A Explain Cable Types and Connectors Flashcards

Core: 1 Objectives: 3.1

1
Q

What are the main internal components of a personal computer?

A

CPUs, Memory Modules, Storage Devices, Power Supply

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2
Q

What are peripheral devices in a PC?

A

External components like Keyboards, Microphones, Monitors, Webcams

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3
Q

What does the term ‘All-in-One’ mean?

A

A computer where the components and monitor are one unit

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4
Q

What are the main features of a Tower chassis?

A

Removable side panel, front panel, and rear panel with power socket and connectors

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5
Q

What is the function of a peripheral device?

A

To communicate with the PC through a bus interface via connectors

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6
Q

How can more ports be added to a computer for additional peripheral connections?

A

Through adapters or expansion cards

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7
Q

What are some of the connection types available on the I/O panel on a motherboard?

A

HDMI, DVI, SATA, USB, Rj-45, Audio Port

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8
Q

What does keying in connectors prevent?

A

It prevents plugging the connector in the wrong way

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9
Q

What are examples of USB device classes?

A

Human Interface (mice, keyboards), Mass Storage (drives), Printers, Audio Devices

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10
Q

What are the differences between half-duplex and full-duplex communication?

A

Half-duplex allows data in both directions but not at the same time, full-duplex allows simultaneous two-way communication

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11
Q

What is the new standard for USB introduced in 3.1?

A

Type C - more compact, durable, and reversible connector

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12
Q

What is the data transfer capability of Lightning connectors?

A

Up to 480Mbps, same as USB 2.0

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13
Q

What is SATA used for?

A

Connecting internal storage devices using 7-pin data and 15-pin power cables

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14
Q

What are the different SATA standards and their speeds?

A

SATA 1: 150MBps, SATA 2: 300MBps, SATA 3: 600MBps, eSATA for external drives

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15
Q

What are the different types of data transmission used in computing?

A

Simplex (one direction), Half-duplex (both directions, one at a time), Full-duplex (simultaneous both directions)

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16
Q

What does ‘b’ stand for in data measurement?

A

Bits

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17
Q

What does ‘B’ stand for in data measurement?

A

Bytes

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18
Q

What is the maximum power delivery of USB ports with Power Delivery (PD) capability?

A

Up to 100W

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19
Q

What is a byte?

A

A byte is a group of 8 bits

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20
Q

How is data transfer expressed?

A

Data transfer is expressed through bits or bytes per second

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21
Q

What does Kb/s or Kbps stand for?

A

Kilobits per second

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22
Q

What does MB/s or MBps stand for?

A

Megabytes per second.

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23
Q

How many bits are in 1 Kilobit (Kb)?

A

1 Kilobit (Kb) = 1000 bits.

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24
Q

How many bits are in 1 Megabit (Mb)?

A

1 Megabit (Mb) = 1,000,000 bits.

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25
Q

How many bits are in 1 Gigabit (Gb)?

A

1 Gigabit (Gb) = 1,000,000,000 bits.

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26
Q

How do computers process data?

A

Computers process data in binary (1 or 0)

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27
Q

Up to how many devices can a single (USB) host controller support?

A

A single (USB) host controller can support up to 127 connected devices

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28
Q

What is the maximum cable length for USB 3.1?

A

Up to 3 meters

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29
Q

What are the main video cables used for high-bandwidth video output?

A

HDMI and DisplayPort

30
Q

What does FPS stand for in video technology?

A

Frames Per Second

31
Q

What is HDCP and its purpose?

A

High-bandwidth Digital Content Protection, used to prevent unauthorized copying of digital content

32
Q

Which USB standard has a speed of 10 Gbps?

A

USB 3.2 Gen 2x1

33
Q

What is the purpose of DisplayPort’s daisy-chaining feature?

A

To connect multiple monitors using a single port on the PC

34
Q

Who developed Thunderbolt technology?

A

Developed by Intel and Apple

35
Q

What is the key difference between Thunderbolt 3 and USB-C?

A

Thunderbolt 3 uses the USB-C connector but supports higher data transfer speeds up to 40Gbps

36
Q

What are the two connectors used by SATA hard drives?

A

7-pin data cable and 15-pin power cable

37
Q

What is the speed of SATA 3?

A

600MBps

38
Q

What is eSATA and how is it different from SATA?

A

External SATA, used for external drives, has its own connector

39
Q

What is a Molex connector used for?

A

Powering older devices using a 4-pin connector

40
Q

What legacy cable type is used to connect older storage devices?

A

PATA/IDE (Parallel ATA)

41
Q

What are the voltage specifications of Molex connectors?

A

Red = 5v, Yellow = 12v, Black = ground

42
Q

What are the units of data transfer measurement?

A

Bits (b) or Bytes (B) per second

43
Q

What is the difference between b and B in data measurement?

A

b = bits, B = bytes

44
Q

What is the data transfer rate for 1 Kilobit and 1 Kilobyte?

A

Kilobit = 1000 bits, Kilobyte = 1000 bytes

45
Q

What is the data transfer rate for 1 Gigabit and 1 Gigabyte?

A

Gigabit = 1,000,000,000 bits, Gigabyte = 1,000,000,000 bytes

46
Q

What does USB stand for?

A

Universal Serial Bus

47
Q

What are common USB device classes?

A

Human Interface, Mass Storage, Printers, Audio Devices

48
Q

How many devices can a single USB host controller support?

A

Up to 127 devices

49
Q

What is the role of a USB host controller?

A

It manages communication between the host and USB devices

50
Q

What is the difference between half-duplex and full-duplex communication in USB?

A

Half-duplex: data flows in both directions but not simultaneously. Full-duplex: data flows in both directions at the same time

51
Q

What is USB 3.2 Gen 2?

A

An updated standard for USB with deprecated older names and faster speeds

52
Q

What is USB Type A used for?

A

Downstream connection from the host device

53
Q

What is USB Type B used for?

A

Upstream connection from the peripheral device

54
Q

What is the power delivery capability of basic USB ports?

A

2.5W - 4.5W

55
Q

What is the power delivery capability of PD-capable USB ports?

A

Up to 100W

56
Q

What is the maximum cable length for USB 1.1 and 2.0?

A

Up to 5 meters

57
Q

What is the maximum cable length for USB 3.0 and above?

A

Up to 3 meters

58
Q

What does HDMI stand for?

A

High-Definition Multimedia Interface

59
Q

What are the types of HDMI connectors?

A

Full-size (Type A), Mini (Type C), Micro (Type D)

60
Q

What is DisplayPort?

A

A royalty-free video interface standard developed by VESA for PC monitors

61
Q

What feature does DisplayPort support for multiple monitors?

A

Daisy-chaining

62
Q

What are the key differences between Thunderbolt 3 and USB-C?

A

Thunderbolt 3 uses USB-C but supports higher data transfer rates up to 40 Gbps and display daisy-chaining

63
Q

What is Lightning cable?

A

A proprietary reversible connector used by Apple mobile devices

64
Q

What is the maximum data transfer speed of Lightning cables?

A

Up to 480Mbps

65
Q

What is SATA used for?

A

Connecting internal storage devices

66
Q

What are the two types of SATA cables?

A

7-pin data cable and 15-pin power cable

67
Q

What is the data transfer speed of SATA 1?

A

150 MBps

68
Q

What is the data transfer speed of SATA 3?

A

600 MBps

69
Q

What is eSATA?

A

External SATA, used for attaching external peripheral drives

70
Q

What is Molex?

A

A 4-pin power connector used in older devices, with red (5V), yellow (12V), and black (ground) wires

IT Support Technician (1 decks)

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