parity check


noun Computers.

a method for detecting errors in data communications or within a computer system by counting the number of ones or zeros per byte or per word, including a special check bit (parity bit), to see if the value is even or odd.
Also called odd-even check, redundant check.

Origin of parity check

First recorded in 1945–50

British Dictionary definitions for parity check

parity check

noun

a check made of computer data to ensure that the total number of bits of value 1 (or 0) in each unit of information remains odd or even after transfer between a peripheral device and the memory or vice versa