423b5459__Students_at_College_of_DuPage__definition
[file extension] gif (pronounced jiff or giff (hard g) [acronym meaning] Graphics Interchange Format [definition] 
standard bit-mapped graphics file format used by the World Wide Web developed by CompuServe in the late 1980s. GIF supports 256 (216-on IBM-based monitors) levels of color.
Graphic File Formats for Digital Imaging Students at College of DuPage
definition