Operating Systems

The operating system is associated with a processor that is in use. Types of processors on a common PC is compatible with the initial product of IBM and Macintosh. Macintosh PC, the software developed by the same company so that its development is not sepesat cloning the IBM PC. IBM's operating system from the current cloning are generally divided into two streams namely commercial created by Microsoft and which is freeware that was developed by researchers from around the world because it is open source, namely the manufacture of raw materials can be read, so the results can be added or modification by anyone.

While the interaction between the user and the computer is known through two ways, first way is giving instructions through the writing of the command (figure 3.5), or a way point (pointer) with graphical display