Resolution … used (inconsistently) for
number of pixels on screen (width x height)
e.g. SVGA 1024 x 768, PDA perhaps 240x400
density of pixels (in pixels or dots per inch - dpi)
typically between 72 and 96 dpi
Aspect ratio
ration between width and height
4:3 for most screens, 16:9 for wide-screen TV
Colour depth:
how many different colours for each pixel?
black/white or greys only
256 from a pallete
8 bits each for red/green/blue = millions of colours