Respuesta :
a device that includes an embedded integrated circuit that can be either a secure microcontroller or equivalent intelligence with internal memory or a memory chip alone. The card connects to a reader with direct physical contact or with a remote radio frequency interface.
A smart card is a plastic card about the size of a credit card, with an embedded microchip that can be loaded with data, used for telephone calling,electronic cash payments, and other applications, and then periodically refreshed for additional use.