The device can also be used to attract a minder's attention, to get a computer to read out a text or to send commands to external devices such as a TV.
本设备还可用于引起使用者的注意、命令计算机读出一段文字或向电视等外部设备发出指令。
External media and storage devices are quick and convenient tools for transporting and uploading files to another computer.
媒体和外部存储设备的快速运输和上传文件到另一台计算机方便的工具。
There are many different types of ports that allow external devices to be connected to a micro-computer.
有许多不同种类的端口允许外部设备连接到一台微型计算机。
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