采用简单指令集的设计，能在系统内完成全部的交换、存储，编辑、查询、修改名片等操作。
Thirdly, RISC design can support all function of exchanging, storing, editing, searching, and modifying the business cards.
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。
The management of card data is done by RISC (Reduced Instruction Set Computer), keyboard circuit and display circuit, all of which are digital circuits.
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