MDA - Monochrome Display Adapter (TTL), DB9 Male Connector or RCA Jack 9", Green or Yellow phosphour

CGA - Color Graphics Adapter, DB9 Male Connector, Monitor should say "Color" or "RGB"

EGA - Enhanced Graphics Adapter, DB9 Male Connector, Monitor should say "EGA"

VGA or SVGA - Video Graphics Array or Super Video Graphics Array, DB15 Male Connector