Question

4. Which of the following is both an input and an output device?
a. Touch screen
b. Mouse
C. Joystick
d. Track ball​

Answer 1

Answer:

b is the correct answer of this question ☺️

Answer 2

Answer:

For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations.