A numerical digit based on the other digits within a numerical identifier is referred to as a:
A) ITIL rule.
B) check digit.
C) lottery number.
D) none of the above

Question

Quizplus · Accepted Answer

A check digit is a numerical digit based on the other digits within a numerical identifier that is used to verify the authenticity of the identifier. This is commonly used in barcodes, credit card numbers, and other forms of identification. ITIL rules and lottery numbers are not related to numerical identifiers and do not involve check digits.

A Numerical Digit Based on the Other Digits Within a Numerical