![]() Memory cards are popular as high-security alternatives to mag stripe cards. Memory cards represent the bulk of the 600 million smart cards sold last year, primarily for pre-paid, disposable-card applications like pre-paid phone cards. Thus, they are dependent on the card reader (also known as the card-accepting device) for their processing and are suitable for uses where the card performs a fixed operation. IC memory cards can hold up to 1-4 KB of data, but have no processor on the card with which to manipulate that data. ![]()
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