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.
The EMZ Vector image file format. EMZ files are image files which have been compressed. Programs such as Microsoft Visio and Office suit are able to view and use such files. Compressed with an GZIP compressing algorithm, the EMZ file contains an Enhanced Metafile (EMF).