Jim Carriere wrote:

Composite is the one with a single yellow connector, right? (The same
type of connectors colored white and red are optional left and right
stereo sound.) My desktop computer has all 3 (VGA, S-Video, and
composite) inputs and outputs. I know, the original question is for
laptops.

CGA was easy to port to NTSC and RGB. VGA/SVGA took more hardware...

Most everything (cheap) is now Svideo only. To get the dual desktops,
does take a special videocard (chipset)...