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To represent the letter B in ASCII requires 7 bits, but with noisy phone lines it could be sent as a Byte with the extra
To represent the letter B in ASCII requires bits, but with noisy phone lines it could be sent as a Byte with the extra bit used for error detection. This extra bit could be chosen to make the total number of s in the Byte an odd number. Thus, if a bit got flipped by noise on the line, that error could be detected. What term describes this technique?
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