Bit ( $b \in {0, 1}$ )

A bit is a binary classical symbol with two distinguishable values, zero and one. A uniform random bit has one bit of information entropy, while a biased binary symbol has less. Sending one bit means transmitting one symbol from this binary alphabet; the mutual information it carries about a particular input need not be one.

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- Bit vector Bit

Bit vector ( $a \in {0, 1}^{n}$ )

 0  0

A bit vector is a fixed-length sequence of bits. An unsigned interpretation of a bit string assigns positional weights

1, 2, 4, \dots

; the vector itself need not represent an integer, since its coordinates can instead encode independent Boolean conditions.

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codex/classical-bit

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A "bit" is the most basic unit of information in computing and digital communications. The term "bit" is short for "binary digit." A bit can have one of two possible values: 0 or 1. In binary notation, these bits are used to represent various forms of data, including numbers, text, images, and more. Bits are fundamental to the workings of computers and digital systems, as they underpin all digital data processing.

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Bit (b∈{0,1})

Bit vector (a∈{0,1}n)