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Common Standards

Image:Image pixels and screen pixels.jpg

Higher resolutions, i.e. more pixels, give better quality images but require more sophisticated, powerful video cards with more memory.

Commonly used resolutions are:

- 640 480

- 800 600

- 1024 768

- 1280 1024

- 1600 1200

- 2048 1536

The other factor that affects picture quality is colour depth, which is the number of bits used to describe a colour. Generally, the more colours used, the more realistic the picture.

Typical colour depths are:

- 256 colour (8 bit)

- High colour (16 bit - 65 536 colours)

- True colour (24 bit - 16.7 million colours)

- 32 bit colour (32 bit 4 billion colours)

Next: VGA/SVGA