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barry barry
wrote...
Posts: 11630
9 years ago
A data entry input control in which the application software sums the first four digits of a customer number to calculate the value of the fifth digit and then compares the calculated number to the number typed in during data entry is an example of a
A) check digit verification.
B) validity check.
C) closed-loop verification.
D) duplicate data check.
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newstartnewstart
wrote...
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Posts: 6345
9 years ago
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