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。
Then I will emphasize studying the main components of the Smart Card operating system, which includes in communication module, file system, security module and the Smart Card application.
其次介绍了智能卡操作系统的几个重要组成部分：通信模块、文件系统、数据安全模块以及智能卡应用。
At present, the company has mastered the smart card operating system technology, all kinds of smart card terminal technology, smart security chip technology and encryption technology developed.
目前，公司已掌握了智能卡操作系统技术，智能卡各类终端技术、智能安全芯片开发技术及密码技术等。
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