When the first computer was built some decades ago, it was capable of doing simple calculations and other basic tasks. The engineers had no idea what the future would bring within the world of computers. Their invention was the first step in a major professional and personal transformation in the industrialized world. Computers invaded in the following decades the lives of most people in various worksaving machines and in the middle of the Eighties also in the form of Personal Computers (PCs). But the computer revolution also made its impact on other areas, which the bright scientists probably never anticipated. War