card reader

A card reader is a device that allows electronic access to data stored on a card, such as a credit card, debit card, or identification card. When you insert or swipe the card, the reader communicates with it through magnetic, chip, or contactless technology, verifying the information for transactions or authentication. It plays a crucial role in point-of-sale systems, security access, and data transfer, functioning seamlessly to ensure secure and efficient exchanges of information between the card and the associated system.