Parity is a method of checking the correctness of the code transmission.
奇偶校验是一种校验代码传输正确性的方法。
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And other similar error checking code, Hamming code also makes use of the concept of parity, data bits followed by an increase in the number of bits, can verify the validity of data.
Parity is an error-checking procedure in which the number of 1s must always be the same—either even or odd—for each group of bits that is transmitted without error.