A computer input device is any peripheral hardware device that allows a person to input information into a computer. This can include devices such as a keyboard, mouse, trackball, joystick, scanner, digital camera, or microphone.

Input devices are important for allowing people to interact with a computer. The most common type of input device is the keyboard, which allows you to type in information using letters, numbers, and symbols. Other popular input devices include the mouse, which allows you to move the cursor around on the screen and select icons and menus, and the trackball, which is a ball that …