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LRC
Last modified: Friday, September 23, 2005 

Short for longitudinal redundancy check, it is an error detection and checking method used to verify the accuracy of stored or transmitted data. LRC works by generating a parity bit from a specified string of bits on a longitudinal track.

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For internet.com pages about LRC . Also check out the following links!

Related Links

Error-Correcting & Error-Checking Codes
The world was made a faster and safer place to be because of error-checking and error-correcting codes. A Reference by by Jason Downing & Jeffrey Nevinski.

IBM Bisync Block Checking Procedures
In this method, both a Vertical Redundancy Check (character parity) and a Longitudinal Redundancy Check (block parity or horizontal parity) are performed. The VRC bit provides odd-parity for each character. The LRC provides odd-parity of each bit position of all characters in the block.

Principles of Computer Architecture Chapter 9: Communication (PDF)
1999 M. Murdocca and V. Heuring. LRC and VRC Checking. Combined LRC and VRC checking.

related categories

Error Correction

related terms

checksum

CRC

error checking and correcting

error detection

parity

parity checking

VRC


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