parity chex

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:
1945–50

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Collins
World English Dictionary
parity check
 
n
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

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