A two-out-of-five code uses ten possible combinations of two ones and three zeroes to encode the decimal digits using five bits. It is used for its error detection and correction properties, and is a constant-weight code because the Hamming distance to "00000" is the same for all strings.
A two-out-of-five code uses ten possible combinations of two ones and three zeroes to encode the decimal digits using five bits. It is used for its error detection and correction properties, and is a constant-weight code because the Hamming distance to "00000" is the same for all strings.
Source: Wikipedia "Two-out-of-five code" · CC BY-SA 4.0
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