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A+ > Cables > Flashcards

Cables Flashcards

1
Q

4 basic functions of a computer

A
  1. input
  2. process
  3. store
  4. output
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2
Q

DB9 connector

A

d shaped miniature pin in back of computer
- 115 kb per second
- slow connection
- communications port in router or switch
- serial cable

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3
Q

host controller

A

uses same amount of bandwidth for all devices on port

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4
Q

USB 1.0

A
  • max speed of 1.5 MB/second
  • slow compared to now
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5
Q

USB 1.1

A
  • full speed USB
  • 12 MB/s
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6
Q

USB 2.0

A
  • 480 MB/s
  • high speed
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7
Q

USB 3.0

A
  • super speed USB
  • 0.9 amps
  • 3.1 = 5 GB/sec
  • 3.2 = 10 GB/sec
  • 2x2 = 20 GB/sec
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8
Q

USB 4.0

A
  • 40 GB/sec
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9
Q

what is the drawback of longer cables?

A

higher chances of resistance and speed and signal deterioration
- shorter cables are better

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10
Q

Type A connector

A
  • flat rectangular connector in one direction
  • most desktops, some laptops
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11
Q

Type C connector

A
  • USB 3 and beyond
  • insert in either direction
  • small oval
  • more modern
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12
Q

Type B connector

A
  • large devices like printers
  • square shape port with rounded corners
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13
Q

Type B mini

A

trapezoid
- found in early phones/tablets

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14
Q

Type B micro

A
  • shorter and skinnier than mini
  • used in small devices
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15
Q

HDMI

A
  • widely used interface
  • HD standard = 1080P
  • High resolution = 4k and 8k
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16
Q

HDCP

A
  • allows a device to validate the connection
17
Q

HDMI connector types

A

type A, type C, type D

18
Q

Displayport

A
  • same capabilities as HDMI
  • uses a thunderbolt cable
  • full size and mini
  • high speed data transfer, up to 20 Gbps
  • daisy chaining
19
Q

DVI

A
  • digital visual
  • supports analog and digital outputs
  • uses pins
20
Q

DVI-A

A

analog signals only

21
Q

DVI-D

A

digital signals only

22
Q

DVI-I

A

analog and digital

23
Q

thunderbolt

A

acts like a display interface with data transfer
- versions 1 and 2: physical connector compatible with DP
- has lightning bolt next to it
- version 3 and 4 (40 Gbps) uses same port connector as usb-c

24
Q

Lightning cable

A

proprietary connector by apple
- fully reversible

25
Q

SATA cable

A

connecting storage device to motherboard
- 2 different cables
- 7 pin data cable
- 15 pin power connector

26
Q

SATA1

A

1.5 Gbps

27
Q

SATA2

A

3 Gbps

28
Q

SATA3

A

6 Gbps
- limitation will be hard drive and not the data cable

29
Q

eSATA

A

cable outside of the case

30
Q

IDE/PATA

A
  • gray flat ribbon table
  • 40 pins to connect with motherboard
  • very outdated
  • parallel devices since supports more than 2 devices
31
Q

MOLEX power connector

A
  • 4 pin connector that attached from the power supply directly to the device

A+ (21 decks)

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