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ＵＳＢ（Ｕｎｉｖｅｒｓａｌ Ｓｅｒｉａｌ Ｂｕｓ），即通用串行总线，是计算机连接外围设备的输入／输出接口标准，是由一些世界著名的计算机公司共同提出的一种串行接口标准。ＵＳＢ把不同的接口统一起来，使用一个４针的标准插头，用菊花链形式（每一个ＵＳＢ外设连接到Ｕ
USB (Universal Serial Bus), or Universal Serial Bus, is a standard for input / output of peripherals connected to computers. It is a serial interface standard jointly proposed by some world famous computer companies. USB unifies the different interfaces using a 4-pin standard plug, daisy-chained (each USB peripheral connected to U