What is Card Reader ?

Definition

A card reader, also known as a credit card reader, is a device that reads the magnetic stripe on the back of a credit card. It can be used for paying for things, but it can also be used to read other information on the magnetic strip, like credit card numbers, PINs, and other information. Card readers are used in a variety of industries, such as retail, food, gas, and more. A card reader is an essential part of any point-of-sale, or POS, system.