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１９９２年，美国苹果公司的斯考利等人推出了ＰＤＡ的经典之作Ｎｅｗｔｏｎ。由此ＰＤＡ的概念也随之明确和清晰：一种轻巧的掌上型计算机；个人信息管理是基本功能之一；主要靠手写及其他定点设备输入，有的具有键盘；具有有线或无线通信功能；ＰＤＡ一般使用闪存作为存储。
In 1992, the United States Apple’s Cowley and others introduced the PDA classic Newton. The concept of PDA is also clear and clear: a lightweight handheld computer; personal information management is one of the basic functions; mainly by handwriting and other pointing device input, and some with a keyboard; with wired or wireless communication; PDA generally use flash memory as storage.