raster

2 definitions found

raster - WordNet (r) 2.1 (2005) :

  raster
      n 1: the rectangular formation of parallel scanning lines that
           guide the electron beam on a television screen or a
           computer monitor

raster - Free On-line Dictionary of Computing (26 May 2007) :

  raster
  
     <hardware> The area of a video display that is covered by
     sweeping the electron beam of the display in a series of
     horizontal lines from top to bottom.  The beam then returns to
     the top during the vertical flyback interval.
  
     See also CRT, frame buffer.
  
     (1995-03-22)