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parity bit
(redirected from Parity block)

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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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If errors in D are detected, the system begins not simple repetitions of D, but repetitions of a parity block P(D) of the inner code.
A hybrid ARQ system with erasures correction and parity retransmission by Goldfeld, L.; Hofman, A.; Lyandres, V. / International Journal of Communications, Network and Systems Sciences (IJCNS)
In RAID 5, data is cut into fixed-size strips and separately stored in the hard disks in turn; meanwhile, a parity block will be created in each horizontal stripe or block and is designed to protect other data blocks in horizontal blocks, but can only handle single data block damage.
Improving data availability with RAID 6 by Chien, Hammer / Computer Technology Review
Each parity block contains information that can be used to recreate the information in the other blocks of data within a single stripe.
Conner announces RAID 5 capabilities for nStor CR2 subsystem by Business Wire
 
 
 
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