There are three major graphics formats for web files. Two of
these formats, GIF and JPEG, are in common use today, and the
third, PNG, is a newly designed format that should become a
standard in the near future. CompuServe GIF Format:| The
CompuServe Graphics Interchange Format (GIF, pronounced with
either a hard or soft g) is the most commonly used on the
Internet, primarily because it was the first format that early
web browsers used as a standard. GIF Format Specifications| GIF
images can contain up to a maximum of 256 colors, and as few as
two (black and white). The format uses LZW image compression to
reduce the file size. This compression, unlike some other
compression methods, is not “lossy”—when you re-open a GIF
image, it appears exactly as it did before you saved it. GIF
images can be interlaced, which displays the image in gradually
increasing detail as it is downloaded, rather than all at once
with maximum detail. This option allows the viewer to get a
rough idea what the image looks like before t