Multiple choice technology mainframe

The 8th digit of the external card number represents

  1. Billing digit

  2. Billing cycle

  3. Check digit

  4. Replacement digit
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B Correct answer
Explanation

The 8th digit in the external card number represents the billing cycle. This digit determines when the customer's statement is generated and payment is due. Billing digit and check digit are different concepts - check digits are for validation (often the last digit), and replacement digit would indicate a reissued card.

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