JPEG stands for Joint Photographic Expert Group. The file name for a JPEG image is .jpg or .jpeg. JPEG is the most commonly used format for photographs. JPEG2000 is another format from the Joint Photographic...

DPI is a unit of measurement, which determines how many individual dots can fit into a 1x1 inch square. Pixels are a basic measuring unit in computer imagery.

Resolution is the term that is used to describe the crispness and detail of an image. DPI is a unit of measurement, which determines how many individual dots can fit into a 1x1 inch square.