V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CGA
       Graphics Communications Association (org.)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CGA
       Colour Graphics Adapter


The Free On-line Dictionary of Computing (30 December 2018):

Color Graphics Adapter
CGA

    (CGA) One of IBM's earliest hardware
   video display standards for use in IBM PCs.  CGA can
   display 80*25 or 40*25 text in 16 colors, 640*200 pixels of
   graphics in two colors or 320*200 in four colors (IBM PC video
   modes 0-6).  It is now obsolete.

   (1995-11-11)