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A+ > 3.1 Cable Types > Flashcards

3.1 Cable Types Flashcards

1
Q

bit

A

binary digits

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2
Q

Nibble

A

4 bits

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3
Q

Byte

A

8 bits

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4
Q

1000 bits

A

1 Kilobit

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5
Q

1,000,000 bits

A

1Mb (megabit)

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6
Q

1,000,000 bytes

A

1MB (Megabyte)

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7
Q

DB9 Connector

A

A D-shaped sub miniature pin that goes into the back of a computer and has two thumb screws on the side. Fastest speed is 115kbps

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8
Q

USB ports allow up to how many devices connected?

A

127 devices, this is known as a daisy chain

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9
Q

USB Host Controller

A

Uses the same amount of bandwidth for all devices in a port

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10
Q

USB 1.0 (low speed)

A

Maximum speed of 1.5Mbps

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11
Q

USB 1.1 (full speed)

A

Maximum speed of 12Mbps

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12
Q

USB 2.0 (hi-speed)

A

Maximum speed of 400Mbps

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13
Q

USB 3.1 GEN1 (SuperSpeed USB) (Gen 1)

A

Maximum speed of 5Gbps

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14
Q

USB 3.1 GEN2 (SuperSpeed USB 10Gbps) (Gen 2)

A

Maximum speed of 10Gbps

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15
Q

SuperSpeed USB 20Gbps (Gen 2x2)

A

Maximum speed of 20Gbps

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16
Q

USB 4

A

Maximum speed of 40Gbps

17
Q

USB cable can deteriorate because?

A

The longer the cable, the more resistance builds up ion the cable which causes speed and signal to deteriorate

18
Q

Range limit for USB 1.0?

A

3 meters (9 feet)

19
Q

Range limit for USB 1.1?

A

5 meters (15 feet)

20
Q

Range limit for USB 2.0?

A

5 meters (15 feet)

21
Q

Range limit for USB 3.0?

A

3 meters (9 feet)

22
Q

Range limit for USB4?

A

3 meters (9 feet)

23
Q

USB 1.0 can provide how much power to a device?

A

500 milliamps or 0.5 amps

24
Q

USB 2.0 can provide how much power to a device?

A

500 milliamps or 0.5 amps

25
Q

USB 3.0 can provide how much power to a device?

A

900 milliamps or 0.9 amps

26
Q

Powered Device Ports can provide how much power to a device?

A

1500 milliamps or 1.5 amps

27
Q

USB Type A

A

Flat rectangular Connector

28
Q

USB Type A is…

A

Most commonly used on desktops and laptops

29
Q

USB Type C

A

Came out with USB 3.0 and beyond. Connector looks like a small oval

30
Q

USB Type B

A

FOund on older models and larger devices, connector looks like a box.

31
Q

USB MINI B

A

Often found on early tablets and smartphones

32
Q

USB MICRO B

A

Often used on smaller devices(wearables, smart watches)

33
Q

USB Type B 2.0 VS 3.0

A

They use different connectors

34
Q

USB 3.0 Type B Micro connector

A

Connector looks like a figure 8. Mostly used for portable storage devices

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