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A small electronic device about the size of a credit card that contains electronic memory, and possibly an embedded integrated circuit (IC). Smart cards containing an IC are sometimes called Integrated Circuit Cards (ICCs).

Smart cards are used for a variety of purposes, including:

Storing a patient's medical records

Storing digital cash

Generating network IDs (similar to a token)

To use a smart card, either to pull information from it or add data to it, you need a smart card reader, a small device into which you insert the smart card.

Plastic card with embedded microprocessor chip, electronic memory, and a battery. Used for information storage and management and authentication, it looks like, works like, and is of the same size as a bank or credit card but may not have a magnetic stripe on its back. Of the several types of smart cards, some are contact-less (do not require to be swiped through a magnetic stripe reader) whereas others require contact with the reader.

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.