Which of the following is both an input device and an output device? ( )
A: monitor
B: scanner
C: hard disk
D: plotter
A: monitor
B: scanner
C: hard disk
D: plotter
举一反三
- Among the following devices, both belong to the output device and the<br/>input device ____. A: Hard disk B: Keyboard C: Mouse D: Plotter
- 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<br/>of the following is output device?() A: keyboard B: mouse C: display<br/>screen D: scanner
- Which of the following is an input device? A: Mouse B: Keyboard C: Scanner D: All the above