What are the input and output devices of the computer?

1, fixed-point input devices: mouse, joystick, touch screen, light pen, digital converter, digital camera, digital video camera, etc.

2. Scanning input equipment: image scanner, fax machine, bar code reader, character and mark recognition equipment, etc.

Output devices: line printers, card printers, electrostatic printers, plotters, voice responders, display devices, etc.

Console typewriter, keyboard, light pen, monitor, etc. It can be used as both input device and output device.

Input devices are used to input raw data and programs for processing these numbers into computers. Computers can receive all kinds of data, including digital data and non-digital data, such as graphics, images and sounds. These data can be input into computers through different types of input devices for storage, processing and output.

Output device is the terminal device of computer hardware system, which is used to receive the output, display, printing and sound of computer data and control the operation of peripheral devices. The function of the output device is to output the information processed by the computer in the memory in a form acceptable to people or other devices.