1. Files in a computer refer to data modules such as words, images and vocal music that can be displayed and played by a computer, such as pictures, music, texts and videos. (The pictures attached in this article are documents and pictures created in the computer, and they are also a kind of files. )
2. Non-computer files usually refer to words and pictures printed or written on paper; It also refers to the official documents issued by the government, or the carrier of opinion interaction between enterprises and within enterprises through paper form.