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
References in periodicals archive ?
Furthermore, the International Organization for Standardization published ISO/IEC 7064 to define algorithms for calculating check digit which is used in the IBAN.
The first component is comprised of a country code and check digit and the 2nd component is called Basic Bank Account Number (BBAN).
This standardized number includes the airline's three-digit code, a 10-digit record number and sometimes a check digit.
In order for conventional technologies to identify when information changes due to such causes as a failed disk drive or tampering, they require secret information to be distributed, the retention of "check digit data" for confirming if secret information has been tampered with, and the distribution of key data that was used to make check digit calculations.
The system, which combines a country code with a check digit code and the customers existing account number, will speed up transactions and go a long way to eliminate much of the need for physical checking.
The old number and letter combinations have gradually been replaced by the new ten-numbered unique personal identifier number, where the last number acts as a check digit to safeguard against typographical errors.
To ensure accurate reading, the UPC includes a check digit that a computer system can test internally to validate the code.
Next, a check digit routine is used to validate captured data, thereby reducing errors and raising the hit rate.
The worker will not be given an order quantity to pick until a match is reached between the working slot that a person is directed to and its check digit.