graphics adaptor graphics adapter graphics card video adapter video card <hardware, graphics> (Or "graphics adapter", "graphics card", "video adaptor", etc.) A circuit board fitted to a computer, especially an {IBM PC}, containing the necessary {video memory} and other electronics to provide a {bitmap display}. Adaptors vary in the {resolution} (number of {pixels}) and number of colours they can display, and in the {refresh rate} they support. These parameters are also limited by the {monitor} to which the adaptor is connected. A number of such {display standards}, e.g. {SVGA}, have become common and different {software} requires or supports different sets. (1996-09-16)