Input and output (I/O) devices are the conduits through which information passes into and out of a computer. The three main types of I/O devices are input devices, output devices, and storage devices.

Input devices allow users to enter data into a computer. The most common type of input device is the keyboard. Other common input devices include the mouse, trackball, touchpad, joystick, scanner, and digital camera.

Output devices display information on a screen or print it out on paper. The most common type of output device is the monitor. Other common output devices include the printer, plotter, and speaker.…