What are computer input devices?

The input device of a computer is a device that inputs data and information to the computer. It is a bridge for communication between the computer and the user or other devices; it is one of the main devices for information exchange between the user and the computer system. Keyboards, mice, cameras, scanners, light pens, handwriting input tablets, joysticks, voice input devices, etc. are all input devices.

Input device (InputDevice) is a device for human or external interaction with the computer. It is used to input raw data and programs for processing these numbers into the computer. middle.

Keyboards, mice, cameras, scanners, light pens, handwriting input tablets, joysticks, voice input devices, etc. are all input devices.

Computers can receive a variety of data, which can be numerical data or various non-numeric data, such as graphics, images, sounds, etc., through different types of input devices. Input into the computer for storage, processing and output.

Computer input devices can be divided into the following categories according to their functions:

Character input devices: keyboard;

Optical reading equipment: optical mark reading Machine, optical character reader;

Graphic input device: mouse, joystick, light pen;

Image input device: camera, scanner, fax machine;

Analog input Equipment: Language analog-to-digital conversion recognition system.

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