3.1 Cables And Adapters: Video Cables

Question 1

VGA

Answer 1

Video graphics array (blue plug with screws on each side that you plug into projector)

Aka: DB-15 connector or DE-15

15 pins

PC SYSTEMS DESIGN GUIDE: assigns this blue color

Analog signal

• no digital
• image degrades after 5 - 10 meters

Question 2

HDMI

Answer 2

High definition multimedia interface

Video and audio stream

• all digital no analog
• 20 meter distance before losing to much signal

19 pin (type A) connector
- proprietary to hdmi type

Mini HDMI

• type C connector
• designed for smaller devices (like video cameras)

Question 3

Display port

Answer 3

VESA standard

• video electronics standard association
• royalty free standard

Data sent in packetized form
- like Ethernet and PCI express

Compatible with HDMI and DVI
- can use passive unpowered adapter to convert

2 types

• Mini DisplayPort (like what you plug into midi keyboard)
• display port (like hdmi cable but one end is completely straight)

Question 4

DVI

Answer 4

Digital Visual Interface

Looks similar to the blue projector cord but black

Single and dual link

• single link; 3.7 gbps allows for (HDTV at 60 FPS) frames per second
• dual link; 7.4 gbps (HDTV at 85 FPS)

DVI- A

• analog signals
• 1 separated pin on right

DVI- D

• digital signals
• 4 boxed pins on right

DVI- I

• integrated
• digital and analog in same connector