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Ｕｎｉｖｅｒｓａｌ Ｓｅｒｉａｌ Ｂｕｓ通用串行总线端口可以轻松地为电脑增加外设，同时不占用并口和串口。从理论上讲，只要将设备插上就可以工作。尽管ＵＳＢ端口是目前电脑与各种外设相连的最佳途径，但它并非完美无缺。 １．你的电脑是否支持ＵＳＢ 现在许多电脑主
Universal Serial Bus Universal Serial Bus port can easily add peripherals to the computer, and does not take up the parallel port and serial port. In theory, just plug in the device to work. Although the USB port is the best way to connect your computer with various peripherals today, it is not perfect. 1. Whether your computer supports USB now many computer owners