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A numbering system that uses two digits 0 or 1. In digital imaging terms 0 is off or white and 1 is on or black.
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A shortened name for binary digit 0 or 1. This is the smallest unit of digital information used by a computer or digital camera.
The standard measurement of a digital file size. One byte is eight binary digits (bits), allowing 255 possible combinations of 1s and Os. A kilobyte (KB - not to be confused with kb [kilobit]) is 1024 bytes.