2. VGA
• Video Graphics Array
• Invented 1987
• Developed by IBM
• by VGA connection has 15 pins
• Only Video signals
3. DVI
• DigitalVisual Interface
• Invented 1999
• Developed by DDWG
• DVI-D (Digital only)
• DVI-A (Analog only)
• DVI-I (both Digital and Analog)
• Use of
4. Type Signal Pins Picture MAX
Res0lution
DVI-I Single link Digital/Analog 18+5 1920×1200,60Hz
DVI-I Dual link Digital/Analog 24+5
2560×1600,60Hz /
1920×1200,120Hz
DVI-D Single link Digital only 18+1 1920×1200,60Hz
DVI-D Dual link Digital only 24+1
2560×1600,60Hz /
1920×1080,120Hz