meaning of parity

1. The quality or condition of being equal or equivalent; A like state or degree; equality; close correspondence; analogy; as, parity of reasoning.
2. parity communications> An extra bit added to a byte or word to reveal errors in storage in RAM or disk or transmission. Even odd parity means that the parity bit is set so that there are an even odd number of one bits in the word, including the parity bit. A single parity bit can only reveal single bit errors since if an even number of bits are wrong then the parity bit will not change. Moreover, it is not possible to tell which bit is wrong, as it is with more sophisticated error detection and correction systems. See also longitudinal parity, checksum, cyclic redundancy check.
3. functional equality

Related Words

parity | parity bit | parity check | parity error |

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