A CDE Definition
vertical redundancy check
An error checking method that generates and tests a parity bit for each byte of data that is moved or transmitted. See longitudinal redundancy check.
longitudinal redundancy check
An error checking method that generates a parity bit from a specified string of bits on a longitudinal track. In a row and column format, such as on magnetic tape, longitudinal redundancy check (LRC) is often used with vertical redundancy check (VRC), which creates a parity bit for each character.
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