Definition of Check digit:
Number added to a code (such as a bar code or account number) to derive a further number as a means of verifying the accuracy or validity of the code as it is printed or transmitted. A code consisting of three digits, for example, such as 135 may include 9 (sum of 1, 3, and 5) as the last digit and be communicated as 1359.
How to use Check digit in a sentence?
- You can figure out a good way to use a check digit to make your codes much harder to crack.
- The check digit method was used to add an additional layer of customized security to our products and business services offered.
- The check digit would be added later, because that is how it worked, and I knew this because I had studied it before.
Meaning of Check digit & Check digit Definition