parity bit


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parity bit

[′par·əd·ē ‚bit]
(communications)
An additional nondata bit that is attached to a set of data bits to check their validity; it is set so that the sum of one-bits in the augmented set is always odd or always even.

parity bit

(storage, communications)
An extra bit added to a byte or word to reveal errors.

See parity.

parity bit

An extra bit attached to the byte, character or word used to detect errors in transmission.
References in periodicals archive ?
After we generate the parity bits we have the channel modulation part.
In other words, decoder I receives the message bits and the corresponding parity bits (generated by the encoder I) and generates an extrinsic information about the systematic bits.
The generated Y is corrected with the transmitted parity bits through channel decoding.
The Beast FIFOs provides the ability to add extra parity bits or additional control information bits to be buffered with the data bits.
By arranging 12 optical fibers in parallel, the 800 Mbit/s optical interconnect simultaneously transmits signals and parity bits as well as standard 8-bit parallel data to implement a highly reliable transmission.
Cypress' new dual-ports are the only high-density, synchronous devices to offer x9 and x18 word widths so users can implement parity bits for error-checking protocols.
The device's user-selectable parity bits can be used to monitor the contents of program memory for error conditions, allowing the system's software to act on the error.