1. 
   Vertical Redundancy Check
   (storage, communications) (VRC) An error checking method performed on one 8-bit ASCII character, where the 8th bit is used as the parity bit. The resulting parity bit is constructed by XORing the word. The result is a '1' if there is an odd number of 1s, and a '0' if there is an even number of 1s i...
   Found op http://foldoc.org/Vertical+Redundancy+Check
   
   

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