下列设备组中，只有______组中的设备都是输入设备。Of the following equipment groups, only the equipment in the ___ group are input devices. A: 键盘、扫描仪、显示器；Keyboard, Scanner, and Display; B: 键盘、鼠标器、绘图仪；Keyboard, Mouse, and Plotter; C: 键盘、鼠标器、扫描仪；Keyboard, Mouse, and Scanner; D: 鼠标器、显示器、扫描仪；Mouse, Monitor, and Scanner;

Which of the following is not a computer input device? A: Touchscreen B: CD/DVD C: All in one printer D: Speaker

We can input data by a ( ). A: printer B: keyboard C: disk D: memory

Which<br/>of the following is output device?() A: keyboard B: mouse C: display<br/>screen D: scanner

【单选题】Which of the following is not disassembly procedure of IPC A. First, turn off the power B. Remove the monitor plug, network plug, keyboard and mouse plug and printer signal plug C. Remove the layering(as following picture shows). D. Do not open the cover of the IPC