Video std | Res | Colour
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MDA (Monochrome Display Adaptor) = 720x350 monochrome - text
CGA (Colour Graphics Adaptor) = 320x200 - 4 colours/640x200 - 2 colours; colour graphics
QVGA = 320x240 (or 160x120?)
QCIF <=> quarter-VGA = 176x144
HGA - Hercules = 720x348 monochrome graphics
EGA (Enhanced Graphics Adaptor) = 640x350 - 16 colours; color graphics 
CIF = 320x240
VGA = 640x480
MCGA = 320x200 - 256 colours/640x480 - 16 colours; colour graphics
VGA (Video Graphics Array) = 640x480 - 16 colours; colour graphics 144 or 262 colour palette
SVGA (Super VGA) = 800x600 - colours; colour graphics 256 colour palette
XGA = 1024x768 - 256 colours/640x480 - 65536 colours; colour graphics
8514 - 1024x768 - 256 colours; colour graphics

Video Adaptors
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MDA - 1 colour
CGA - 9 pin - 2 colours 640x480/4 colours 320x200
EGA - 16 colours at 640x250
VGA - video graphics array 15 pin - 16 colours 640x480
SVGA and UVGA (Ultra VGA) - 16 million 1280x1024