A file format is a set of rules for encoding data for storage in a computer file. File TypeActivity . zipcompress data allowing them to deliver more data at faster speeds than ever before. contents of zipped files are compressed reducing the amount of data needed by your computer. sending large by compressing into a single file. . mp3audio files are recorded in this format MP3 files are 1/10th the size of WAV or AIF files MP3 files are commonly used to store audio tracks, podcasts, lectures, sermons, and audiobooks. . mp4. mp4 extension is used to identify MP4 files. MP4 is an audio-visual coding format that is used all over the world. It is based on the QuickTime File Format. jpegJpeg stands for Joint Photographic Experts Group JPEG photos maintain reasonable image quality despite the enormous reduction in file size. JPEG photos may be shared quickly and easily. Therefore, A-II, B ? III, C ? IV, D ? I are correct matching.