| Keyword | Definition |
|---|
| compression | reducing the size of a file so that it takes less space to download or store |
| jpg | example of a file format that uses lossy compression for bitmap images |
| lossless compression | a type of compression that can be perfectly reversed to get the uncompressed original data. No detail or quality will be lost in compression. |
| lossy compression | a type of compression that cannot be perfectly reversed to get the uncompressed original data. Some detail or quality will be lost in compression. |
| mp3 | example of a file format that uses lossy compression for audio |
| mp4 | example of a file format that uses lossy compression for videos |
| zip | example of a file format that uses lossless compression for any type of file |
