Sponsorship Details Smart Cards in Wireless Services Tutorial 1. The size of a credit card, it has an embedded silicon chip that enables it to store data and communicate via a reader with a workstation or network. The chip also contains advanced security features that protect the card s data. Memory cards simply store data and can be viewed as small floppy disks with optional security.
Memory cards depend on the security of a card reader for their processing.
A microprocessor card can add, delete, and manipulate information in its memory on the card. It is like a miniature computer with an input and output port, operating system, and hard disk with built-in security features. Smart cards have two different types of interfaces. Contact smart cards must be inserted into a smart-card reader. The reader makes contact with the card module s electrical connectors that transfer data to and from the chip.