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parity checking

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Definition: parity checking: A technique used to detect memory or data communication errors. The computer adds up the number of bits in a one-byte data item, and if the parity bit setting disagrees with the sum of the other bits, the computer reports an error. Parity-checking schemes work by storing a one-bit digit (0 or 1) that indicates whether the sum of the bits in a data item is odd or even. When the data item is read from memory or received by another computer, a panty check occurs. If the parity check reveals that the parity bit is incorrect, the computer displays an error message. See even parity and odd parity.

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Source: QUECID / Linux Dictionary V 0.16
http://www.tldp.org/LDP/Linux-Dictionary/html/index.html
Author: Binh Nguyen linuxfilesystem(at)yahoo(dot)com(dot)au
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