# binary encoding

**binary encoding** **1.** The representation of symbols in a source alphabet by strings of binary digits, i.e. a binary code. The most commonly occurring source alphabet consists of the set of alphanumeric characters. See code.

**2.** The encoding of a number into a binary string in which the *i*th bit from the end carries weight 2* ^{i}*. For example, 13 is represented by 1101. This encoding of natural numbers can be extended to cover signed integers and fractions. See also radix complement, fixed-point notation, floating-point notation.

**3.**of a set

*A.*Any assignment of distinctive bit strings to the elements of

*A*. See also character encoding, Huffman encoding.

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**binary encoding**