Answer:
The peripheral devices that can be used for both input and output is touch screen on a tablet computer.
Explanation:
An input peripheral is a device that can read or receive data and send to the computer to process them.
An output peripheral is a device that receives processed data from the computer and display the output.
For example, a user can use an input peripheral, keyboard, to type the text. The text will then be processed by the computer and transferred to an output peripheral,monitor, for display.
Besides, there are some devices which can act as input and output peripheral. One example is touch screen on a tablet computer. The touch screen can work as an input device to receive touch signal from the user and sent it to computer. The computer will process the touch signal and produce the output and send it back to touch screen for display.
