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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
How many bits are in 1 Gigabit (Gb)?
1 Gigabit (Gb) = 1,000,000,000 bits.
26
How do computers process data?
Computers process data in binary (1 or 0)
27
Up to how many devices can a single (USB) host controller support?
A single (USB) host controller can support up to 127 connected devices
28
What is the maximum cable length for USB 3.1?
Up to 3 meters
29
What are the main video cables used for high-bandwidth video output?
HDMI and DisplayPort
30
What does FPS stand for in video technology?
Frames Per Second
31
What is HDCP and its purpose?
High-bandwidth Digital Content Protection, used to prevent unauthorized copying of digital content
32
Which USB standard has a speed of 10 Gbps?
USB 3.2 Gen 2x1
33
What is the purpose of DisplayPort's daisy-chaining feature?
To connect multiple monitors using a single port on the PC
34
Who developed Thunderbolt technology?
Developed by Intel and Apple
35
What is the key difference between Thunderbolt 3 and USB-C?
Thunderbolt 3 uses the USB-C connector but supports higher data transfer speeds up to 40Gbps
36
What are the two connectors used by SATA hard drives?
7-pin data cable and 15-pin power cable
37
What is the speed of SATA 3?
600MBps
38
What is eSATA and how is it different from SATA?
External SATA, used for external drives, has its own connector
39
What is a Molex connector used for?
Powering older devices using a 4-pin connector
40
What legacy cable type is used to connect older storage devices?
PATA/IDE (Parallel ATA)
41
What are the voltage specifications of Molex connectors?
Red = 5v, Yellow = 12v, Black = ground
42
What are the units of data transfer measurement?
Bits (b) or Bytes (B) per second
43
What is the difference between b and B in data measurement?
b = bits, B = bytes
44
What is the data transfer rate for 1 Kilobit and 1 Kilobyte?
Kilobit = 1000 bits, Kilobyte = 1000 bytes
45
What is the data transfer rate for 1 Gigabit and 1 Gigabyte?
Gigabit = 1,000,000,000 bits, Gigabyte = 1,000,000,000 bytes
46
What does USB stand for?
Universal Serial Bus
47
What are common USB device classes?
Human Interface, Mass Storage, Printers, Audio Devices
48
How many devices can a single USB host controller support?
Up to 127 devices
49
What is the role of a USB host controller?
It manages communication between the host and USB devices
50
What is the difference between half-duplex and full-duplex communication in USB?
Half-duplex: data flows in both directions but not simultaneously. Full-duplex: data flows in both directions at the same time
51
What is USB 3.2 Gen 2?
An updated standard for USB with deprecated older names and faster speeds
52
What is USB Type A used for?
Downstream connection from the host device
53
What is USB Type B used for?
Upstream connection from the peripheral device
54
What is the power delivery capability of basic USB ports?
2.5W - 4.5W
55
What is the power delivery capability of PD-capable USB ports?
Up to 100W
56
What is the maximum cable length for USB 1.1 and 2.0?
Up to 5 meters
57
What is the maximum cable length for USB 3.0 and above?
Up to 3 meters
58
What does HDMI stand for?
High-Definition Multimedia Interface
59
What are the types of HDMI connectors?
Full-size (Type A), Mini (Type C), Micro (Type D)
60
What is DisplayPort?
A royalty-free video interface standard developed by VESA for PC monitors
61
What feature does DisplayPort support for multiple monitors?
Daisy-chaining
62
What are the key differences between Thunderbolt 3 and USB-C?
Thunderbolt 3 uses USB-C but supports higher data transfer rates up to 40 Gbps and display daisy-chaining
63
What is Lightning cable?
A proprietary reversible connector used by Apple mobile devices
64
What is the maximum data transfer speed of Lightning cables?
Up to 480Mbps
65
What is SATA used for?
Connecting internal storage devices
66
What are the two types of SATA cables?
7-pin data cable and 15-pin power cable
67
What is the data transfer speed of SATA 1?
150 MBps
68
What is the data transfer speed of SATA 3?
600 MBps
69
What is eSATA?
External SATA, used for attaching external peripheral drives
70
What is Molex?
A 4-pin power connector used in older devices, with red (5V), yellow (12V), and black (ground) wires

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