Final answer:
Smart card uses a microchip, debit card deducts payments from the checking account, mobile banking uses smartphone apps, and online bill pay allows the bank to submit payments.
Step-by-step explanation:
The key features of each electronic banking service are as follows:
- Smart card: It uses a microchip.
- Debit card: It deducts payments from the checking account.
- Mobile banking: It uses smartphone apps to view financial information and make transactions.
- Online bill pay: It allows the bank to submit payments on your behalf.
Learn more about Electronic banking services