2, printer: is a computer processed information output into paper documents, different types of printers have different printing speed, print quality and price, such as inkjet printers, laser printers, etc., in the office, learning and daily life is widely used for printing documents, pictures and so on.
3, sound equipment: is a computer-processed sound output to the external environment, including speakers, headphones, microphones, etc., speakers and headphones are used to play the sound, while the microphone will be converted to the external sound into digital signals that can be processed by the computer.
4, projector: is a computer-processed images and text projected onto a large screen equipment, commonly used in conference rooms, classrooms and other occasions, for the display of slides, video, etc., there are many types, the common DLP projector, LCD projector, etc..
5, plotter: mainly used for drawing all kinds of graphics and images, especially in the field of engineering design, architectural drawing and other fields have a wide range of applications, can output high-quality graphics and images to meet the needs of the professional field.
6, 3D printer: can be converted into a three-dimensional model of the physical object, used in prototyping, medical, education and other areas.