Q.An ATM-cum-debit card allows a customer to:
(A) Borrow money from the bank beyond the balance in the account
(B) Operate an ATM and also make cashless purchases that are deducted from the customer's own account
(C) Issue currency notes
(D) Buy goods on credit and pay the bank later within a billing cycle

The defining feature of a debit card is that it spends the customer's OWN money, unlike a credit card which lends the bank's money.

Section f describes the ATM-cum-debit card as a single card with two combined uses: it operates the Automated Teller Machine (ATM) for cash withdrawal, deposit, balance enquiry, and certain payments; and it also works as a debit card for cashless purchases at shops and online, where the payment is deducted directly from the customer's own account. That last point is the heart of option (B) and the defining feature of any debit card. …

The classic mix-up is debit vs credit card. Debit card = your own money, deducted immediately. Credit card = bank's money, borrowed now …