parity bit

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noun

(computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's;
e.g., if the parity is odd then any group of bits that arrives with an even number of 1's must contain an error
• Syn:
parity, check bit
• Topics:
computer science, computing
• Hypernyms:
bit