Cables

Question 1

4 basic functions of a computer

Answer 1

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

Question 2

DB9 connector

Answer 2

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

Question 3

host controller

Answer 3

uses same amount of bandwidth for all devices on port

Question 4

USB 1.0

Answer 4

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

Question 5

USB 1.1

Answer 5

• full speed USB
• 12 MB/s

Question 6

USB 2.0

Answer 6

• 480 MB/s
• high speed

Question 7

USB 3.0

Answer 7

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

Question 8

USB 4.0

Answer 8

• 40 GB/sec

Question 9

what is the drawback of longer cables?

Answer 9

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

Question 10

Type A connector

Answer 10

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

Question 11

Type C connector

Answer 11

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

Question 12

Type B connector

Answer 12

• large devices like printers
• square shape port with rounded corners

Question 13

Type B mini

Answer 13

trapezoid
- found in early phones/tablets

Question 14

Type B micro

Answer 14

• shorter and skinnier than mini
• used in small devices

Question 15

HDMI

Answer 15

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

Question 16

HDCP

Answer 16

• allows a device to validate the connection

Question 17

HDMI connector types

Answer 17

type A, type C, type D

Question 18

Displayport

Answer 18

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

Question 19

DVI

Answer 19

• digital visual
• supports analog and digital outputs
• uses pins

Question 20

DVI-A

Answer 20

analog signals only

Question 21

DVI-D

Answer 21

digital signals only

Question 22

DVI-I

Answer 22

analog and digital

Question 23

thunderbolt

Answer 23

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

Question 24

Lightning cable

Answer 24

proprietary connector by apple
- fully reversible

Question 25

SATA cable

Answer 25

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

Question 26

SATA1

Answer 26

1.5 Gbps

Question 27

SATA2

Answer 27

3 Gbps

Question 28

SATA3

Answer 28

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

Question 29

eSATA

Answer 29

cable outside of the case

Question 30

IDE/PATA

Answer 30

- gray flat ribbon table - 40 pins to connect with motherboard - very outdated - parallel devices since supports more than 2 devices

Question 31

MOLEX power connector

Answer 31

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