A smart card, or integrated circuit(s) card (ICC), is defined as any integrated circuitry embedded into a flat, plastic body. Although there are a diverse range of applications, there are two broad categories of ICCs. Memory cards contain only non-volatile memory storage components, and perhaps some specific security logic. Microprocessor cards contain memory and microprocessor components.
The standard perception of a "smart card" is a microprocessor card of credit-card shaped dimensions (or less, e.g. the GSM SIM card) with various tamper-resistant properties (e.g. a secure cryptoprocessor, secure file system, human-readable features) and is capable of providing security services (e.g. confidentiality of information in the memory).
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