Which of the following is an input device?
A: Mouse
B: Keyboard
C: Scanner
D: All the above
A: Mouse
B: Keyboard
C: Scanner
D: All the above
举一反三
- Which<br/>of the following is output device?() A: keyboard B: mouse C: display<br/>screen D: scanner
- Which of the following input devices does not translate hand movements into instructions for the computer? A: Scanner B: Mouse C: Keyboard D: 3-D Mouse
- 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;
- Which of the following is both an input device and an output device? ( ) A: monitor B: scanner C: hard disk D: plotter