Animation is the technique in which each frame of a film is produced individually, whether generated as a computer graphic, or by photographing a drawn image, or by repeatedly making small changes to a model unit (see claymation and stop motion), and then photographing the result with a special animation camera. When the frames are strung together and the resulting film is viewed at a speed of 16 or more frames per second, there is an illusion of continuous movement (due to the persistence of vision). Generating such a film is very labour intensive and tedious, though the development of computer animation has greatly sped up the process.File formats like GIF, QuickTime, Shockwave and Flash allow animation to be viewed on a computer or over the Internet.Because animation is very time-consuming...