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.
Files that contain the .isz file extension normally store compressed disk image files. ISZ files are very similar in nature to ISO files, but the contents of an ISZ file are compressed in order to make the file smaller and save disk space.The ISZ file format also supports password protection and encryption.Very large ISZ files may be split into separate volumes.SZ files are very similar in nature to ISO files, but the contents of an ISZ file are compressed in order to make the file smaller and save disk space. The ISZ file format also supports password protection and encryption. Very large ISZ files may be split into separate volumes.