The display is microcomputer system output device.
显示器是微机系统的输出设备。
Device drives are specialized programs that allow particular input or output devices to communicate with rest of the computer system.
设备驱动器是专门的方案，允许特定输入或输出设备进行通信与计算机系统的其余部分。
The periphery output control system is composed of analog peripheral device such as LED, relay, digital switch etc, to control the other weak-current devices and general heavy-current devices.
外围输出控制系统由发光二极管、继电器、数字开关等模拟外围设备，控制其它的弱电设备和一般的强电设备。
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