Beginning of Essay
Computers have come a long way very fast since there start in the 1940's. In the beginning they were mainly used for keeping financial records by banks and insurance companies, and for mathematical computations by engineers and the U.S. Military. However, excit ....

Middle of Essay
.... equations. Engineering drawing applications such as CAD (computer assisted device) use this method. The other method is by bit mapped graphics. Here the computer actually keeps track of every point in the picture and its description. Paint programs use this technique. Drawing programs are usually vector mapped programs and paint programs are usually bit mapped. Computer sound is handled in two different ways. The sound can be described digitally and stored as an image (wave format) of the actual sound or it can be translated in to what is called midi format. This is chiefly for music. In a piano, for instance, the information for w ....