Each provides a convenient way to store and transport digital picture files. The answer to this question is temporarily unavailable. Camera resolution determines the amount of picture detail that can be captured when you snap the picture. You cannot add additional scene detail to a digital picture after the fact. In general, the higher the resolution, the better the overall print quality you should expect from a camera.
File compression is used to format and size a digital picture file.
Increasingly high compression levels incrementally decrease file sizes and allow you to store more pictures on a memory card. Very high compression levels can result in lost picture detail severe enough to negatively affect print quality. My camera has adjustable resolution and file compression settings. Use the highest resolution and the lowest compression settings on your camera. Many digital cameras provide adjustable resolution and file compression settings.