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Related phrases: parity bit/bar/module

Definitions of parity bit:

(circuit/system) A binary digit appended to an array of bits to make the sum of all the bits always odd or always even.
connectors.tycoelectronics.com/glossary/glossary-p.stm
A 1 or 0 added to a group of bits that identifies the sum of the bits as odd or even.
members.tripod.com/~rvbelzen/c128sg/glossary.htm
An extra bit added to a group of bits, usually to a seven-bit byte. The parity bit can be of 0 or 1 value so that every byte will then add up to an odd or even number, depending on whether odd or even parity is chosen. When the transmitting device frames a character, it counts the numbers of 0s and 1s in the frame and attaches the appropriate parity bit. The recipient counts all the 0s and 1s and compares the total to the odd or even message contained in the parity bit. ...
www.nettedautomation.com/glossary_menue/glossary_p.html
A bit in asynchronous communications used to indicate the type of error checking used in a transmission.
www.microsoft.com/technet/prodtechnol/visio/visio2002/plan/glossary.mspx
An extra check bit added to the binary representation a character to make it conform to the parity checking method used.
www.sivideo.com/9pcterms.htm
An extra or redundant bit used to detect transmission errors.
www.angelfire.com/ny3/diGi8tech/PGlossary.html
An extra bit used in checking for errors in transferred groups of data bits. In modem communications, it is used to check the accuracy of each transmitted character. In RAM, a parity bit is used to check the accuracy with which each byte is stored.
www.mosaictec.com/storage/storage_terms.htm
An extra bit inserted into a data sequence before transmission to enable error detection.
www.aero.org/publications/crosslink/winter2002/backpage.html
A check bit added to a character to make the total number of 1's in the character an even or odd number.
www.iec-usa.com/Browse02/GLSP.html
a bit appended to the bit pattern for a character so that the number of bits in the pattern and parity bit combined is either even or odd, said to be even or odd parity respectively. ISO standard identification cards use odd parity on their magnetic tracks (defined in ISO 7811 ).
www.gbc.t-online.hu/english/bszotare3.htm
A bit added to used as means of detecting transmission errors.
www.networkingsolutions.co.uk/acatalog/gl.html
(computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's; e.g., if the parity is odd then any group of bits that arrives with an even number of 1's must contain an error
wordnet.princeton.edu/perl/webwn
In computing and telecommunication, a parity bit is a binary digit that takes on the value zero or one to satisfy a constraint on the overall parity of a binary number. The parity scheme in use must be specified as even or odd. Parity is even if there are an even number of '1' bits, and odd otherwise.
en.wikipedia.org/wiki/Parity_bit

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