Bit

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A bit is a part of a horse bridle, and there are also tool bits.

A bit is a small amount of something, such as a bit that is the smallest amount of computer or electronic information storage. It can be set to 0 (false) or 1 (true), as machine-readable information. (Its like a light switch; either there is light or there is not.)

8 bits are called a byte.

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