Answer:
A. Smart card
Explanation:
Smart cards contain a chip that can store a large amount of information as well as on a magnetic stripe for backward compatibility.
Smart card are cards made of plastic or metal material that has an embedded integrated chip that acts as a security token. Smart cards are the same size as a debit or credit card.
They connect to a reader either by a chip (microcontroller or an embedded memory chip) or through a short-range wireless connectivity standard such as radio-frequency identification or near-field communication.
It can be used to perform various functions though most commonly are used for credit cards and other payment cards.
