1. Files that work well with GIF format are line art, cartoons, and simple images.
   Files that work well with JPEG are photographs and artwork.
2. Image compression refers to a process by which the memory requirements of an image file become reduced.
   In a lossy image format, the compression technique trades off image quality in exchange for greater memory savings.
3. An Interlaced Gif file displays an image in four passes.
4. Thumbnail preview is a clickable, bandwidth-efficient version of a larger graphic that contains a link to the original image.
5. A transparent Gif looks as if the image is drawn on your Web page that allows your background color show through.
6. You can use animated GIF format to add cartton animations to your Web page.