8-bit refers to eight binary (0 or 1) units of integer data. This allows for up to 256 combinations of values, typically from 0 to 255.

  • 8-bit color allows for up to 256 grays, or 256 colors assigned by a color lookup table (CLUT). This is also referred to as the VGA standard by PC users.
  • 8-bit sound allows for a range of up to 256 values (−128 to +127) per sample (Hertz).
  • 8 bits make 1 byte, referred to by programmers as a halfword.

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