CRT
Uses an electron gun o beam electrons at a fluorescent screen
LCD
Uses polarized light to create the image
LED
Uses stream of photons to create electroluminescence
OLED
Uses organic semiconductors
Plasma
Uses electrically charged ionized gases to display the image
Projector
Creates excessive heat and requires a cooling fan
VGA
640 x 480 ( 4:3)
SVGA
800 x 600 (4:3)
XGA
1024 x 768 (4:3)
SXGA
1600 x 1200 ( 4:3)
WUXGA
1920 x 1200 ( 16 :10)
Quality of video (high to low)
HDMI DVI COMPONENT S-VIDEO COMPOSITE