To prevent invalid data input,a bank added an extra number at the end of each account number and subjected the new number to an algorithm.This technique is known as:
A)A validation check.
B)check digit verification.
C)A dependency check.
D)A format check.

Question

Quizplus · Accepted Answer

The technique described in the question is check digit verification, where an extra number is added to the account number and subjected to an algorithm to ensure that the data input is valid. This method is commonly used in banking and other industries where data accuracy is critical.

To Prevent Invalid Data Input,a Bank Added an Extra Number