A full understanding of the various types of Win7 system files

types of files are marked by the file extension, because the extension is unlimited, so the type of the file is unlimited. File extensions are an important way for the win7 operating system to recognize files, so understanding common file extensions can be a great help for learning and managing files.
In general, files can be divided into text files, fixed images and photo files, compressed files, audio files and video files.
1, text file type
text file is a typical sequential file, the logical structure of the file is also a stream file.

2. Image and Photo File Types
Image files are generated by image programs or generated by scanning, digital cameras, etc.

3. Compressed file type
The file generated after the ordinary file is packaged and compressed by the compression algorithm can effectively save storage space.

4. Audio file type
Audio file type is a sound file generated by recording and compression.

5, video file type
produced by professional animation software or generated by shooting.

6, other common types
Other common type extensions are shown in the following table.

Different file types, often with different icons, and different viewing methods, so only the corresponding software can be installed to view the contents of the file.