check digit


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check digit

n
(Computer Science) computing a digit derived from and appended to a string of data digits, used to detect corruption of the data string during transmission or transcription
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The pickers are directed to choose a location and are required to provide a check digit to confirm that they are at the correct pick location, and the system then tells them the quantity of units to pick.
Because one of the digits is a "check digit" in theory there could be as many as one billion different NPIs.
"For lower level security, we might print a modulus number sequence with check digit," says Philip Easton, director of digital printing solutions at Domino Printing Sciences.
The last digit is (for you old schoolers) the check digit.
But the new number had a feature which made it superior to the traditional ISBN: Emery Koltay (at that time director of standards at Bowker, New York) designed a check digit calculation routine that allowed turning an ISMN into a bar code without further calculation, just by adding the EAN code "979" in front.
Furthermore, the International Organization for Standardization published ISO/IEC 7064 to define algorithms for calculating check digit which is used in the IBAN.
It has a secured pin code which is known by the user only, and also has a check digit without it no one can deposit money.
At each pick location, pickers read back a check digit on the location label to confirm that they are at the correct location and confirm that they put the product on the correct pallet by reading the check digit on one of the two pallets.
Each UNII is a unique series of ten characters that includes a check digit to ensure data integrity.
The first component is comprised of a country code and check digit and the 2nd component is called Basic Bank Account Number (BBAN).
The check digit is a number that can be used to verify whether the card number appears to be correct, officials say.