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parity bit

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson 0.02 sec.

parity bit

An extra bit attached to the byte, character or word used to detect errors in transmission.


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.

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

See parity.


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A wide device can be used on a narrow bus to pull up the high byte and parity signals or by terminating the high byte and parity bit 1 at the adapter for the wide to narrow bus.
Shared network devices will also benefit from the parity bits that support error detection and correction.
 
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