Concise description of feature regardless of input device

1. What is the best description of an input device?
2. What are the four 4 types of input devices?

What is the best description of an input device?

In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.

What are the four 4 types of input devices?

► The four input devices are: mouse, keyboard, joystick, gamepad.