parity check

American  

noun

Computers.

1. 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 paritybit, to see if the value is even or odd.

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parity check British  

noun

1. 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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Etymology

Origin of parity check

First recorded in 1945–50

Example Sentences

The qubits are placed on vertices and each coloured face corresponds to both an X and a Z parity check.

From Nature • Sep. 12, 2017

The qubits are placed on vertices and each coloured face corresponds to both an X and a Z parity check.

From Nature • Sep. 12, 2017

This implies that an X and a Z parity check is associated with each vertex, leading to a transversal H gate.

From Nature • Sep. 12, 2017

If a tape is not at the end of record, then the tape is either at the end of the reel, or a parity check has occurred.

From Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 by Digital Equipment Corporation