Summary

Computer graphics are pictures and drawings produced by computer.
There are two main categories:

• Raster graphics represent images as bitmaps; they are stored as a collection of pixels.
• Vector graphics represent images through the use of geometric objects, such as lines, curves and polygons, based on mathematical equations.

There are many types of graphics software, for example: Image manipulating programs, painting and drawing programs, business graphics programs, computer- aided design (CAD), desktop publishing, digital art (computer art), computer animation programs, geographic information system.