Interfaces

Question 1

Universal Serial Bus

USB

Answer 1

• USB 1.1
  
  • Low speed: 1.5 megabits per sec / 3 meters
  • Full speed: 12megabits per sec / 5 meters
• USB 2.0
  
  • 480 megabits per sec / 5 meters
• USB 3.0
  
  • Superspeed
  • 5 gigabits per sec / 3 meters

Question 2

USB 1.1 / 2.0 Connectors

Answer 2

• Standard - A plug
• Standard - B plug
• Mini - B plug
• Micro - B plug

Question 3

USB 3.0 Connectors

Answer 3

• Standard - A plug
• Standard - B plug
• Micro - B plug

Question 4

IEEE 1394 / Firmware

Answer 4

• Firmware is Apple trademark
  
  • Daisy chain up to 63 devices
• Firmware 400 (Alpha Mode) - IEEE 1394a
  
  • 100, 200, or 400 Mbits/s half duplex
• Firmware 800 (Beta Mode) - IEEE 1394b
  
  • 800 Mbits/s Full duplex
  • Optical connections support, 100 meter distance

Question 5

Serial AT Attachment

SATA

Answer 5

• SATA Revision 1.0
  
  • SATA 1.5 Gbit/s - 1 Meter
• SATA Revision 2.0
  
  • SATA 3.0 Gbit/s - 1 Meter
• SATA Revision 3.0
  
  • SATA 6.0 Gbit/s - 1 Meter

Question 6

Video Graphic Array

VGA

Answer 6

-DB Connectors

• Blue in color
  
  • International standard
• Analog signal
  
  • image degrades after 5-10 Meters

Question 7

High Definition Multimedia Interface

HDMI

Answer 7

• Video & audio stream simultaneously
• 20 Meters before losing signal
• 19 pin (Type A) connector
• Mini HDMI (Type C) Connector
  
  • Designed for smaller devices

Question 8

Digital Visual Interface

DVI

Answer 8

• Single & Dual link
  
  • Single link = 3.7 Gbps (HDTV @ 60FPS)
  • Dual link = 7.4 Gbps (HDTV @ 85FPS)
• DVI -A = Analog signal
• DVI-D = Digital signal
• DVI-I = Integrated digital & analog in same connector

Question 9

Registered Jack

RJ11

Answer 9

• Analog modem , DSL line
• RJ11 (Registered Jack)
• 6P2C = 6 position, 2 conductor

Question 10

Registered Jack

RJ45

Answer 10

• Ethernet
  
  • Patch crossover cables
  • Device connector
• RJ45 (Registered Jack)
  
  • Modular connector

-8P8C = 8 position , 8 conductor

Question 11

Thunderbolt

Answer 11

• High speed serial connector
  
  • Data & power on same cable
  • Based on Mini DisplayPort (MDP standard
• Throughput = 10 Gbit/s per channel / 20 Gbit/s total
  
  • Thunderbolt V2 = 20 Gbit/s
  • Thunderbolt V3 = 40 Gbit/s
• Max 3 Meters (Copper) / 60 Meters (Optical)
  
  • Daisy chain 6 devices