In the following, the input device is （）. A: keyboard B: monitor C: printer D: plotter

In the following, the input device is （）． A: keyboard B: monitor C: printer D: plotter

Which of the following is both an input device and an output device? ( ) A: monitor B: scanner C: hard disk D: plotter

Among the following devices, both belong to the output device and the<br/>input device ____. A: Hard disk B: Keyboard C: Mouse D: Plotter

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;