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A bit which acts as a check on a set of binary values, calculated in such a way that the number of 1s in the set plus the parity bit should always be even (or occasionally, should always be odd).
‘Integrity can be ensured through such software tools as checksums, parity bits, and cyclical redundancy codes.’
‘To overcome this limitation, the driver simulates it by using the parity bit.’
‘A modern alternative to parity bits is ECC, short for Error Correction Code.’
‘The simplest device is a ‘parity bit,’ an extra bit that keeps track of whether the number of 1s in a binary number is odd or even.’
‘The logic circuit is described by a parity-check matrix for this code comprising 128 data bits, 16 check bits, and 2 address parity bits.’