Smart card is also called CPU card. Compared to common IC card, it contains CPU, memorizer, I/O system and Chip Operating Syestem (COS).

智能卡也称CPU卡，同普通的IC卡相比，它具有自己的CPU，存储器，读写系统和卡内操作系统COS。

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Smart card is also called CPU card. Compared to common IC card, it contains CPU, memorizer, I/O system and Chip Operating Syestem (COS).

智能卡也称CPU卡，同普通的IC卡相比，它具有自己的CPU，存储器，读写系统和卡内操作系统COS。

youdao