The management of card data is done by RISC (Reduced Instruction Set Computer), keyboard circuit and display circuit, all of which are digital circuits.

名片信息的处理由数字电路RISC（精简指令集处理单元），键盘电路和显示电路实现。

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RISC: RISC is the acronym for "reduced instruction set computing". It is the techniques use in personal computer to reduce the amount of instruction and so increasing processing speeds.

精简处理：英文是“减少指令组的电脑处理”的字首字。是个人电脑用来减小指令和加快处理速度的一种技术。

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In many revolutions of the computer techniques, the most significant one is the transmission from Complex Instruction Set computer (CISC) to Reduced Instruction Set computer (RISC) architecture.

在计算机技术的许多变革中，最有意义的变革是从复杂指令集(CISC)过渡到精简指令集(RISC)体系结构。

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