A: 4K â also known as UHD (more on this in the next answer!) â is a picture technology that quadruples the number of pixels found in a full HD picture. These pixels are usually arranged in a 3,840 x 2,160 configuration, compared with the 1920x1080 you get in a full HD TV.
A file with the 7Z file extension is a 7-Zip Compressed file. Other types of files may also use the 7Z file extension. If you know of any additional file formats that use the .7Z extension, please let me know so I can update this information.
7-Zip is an open source file archiver, an application used primarily to compress files. 7-Zip uses its own 7z archive format, but can read and write several other archive formats.The program can be used from a command line interface, graphical user interface, or with a window-based shell integration.-Zip is an open source file archiver, an application used primarily to compress files. 7-Zip uses its own 7z archive format, but can read and write several other archive formats.