Computer science (the study of the systematic and automatic processing and transmission of information) is a very new area of knowledge. Since the 1950s it has been evolving from a variety of sub-disciplines which themselves belong to other disciplines (mathematics, logic, electrical engineering, and electronics), to which computer science was originally subordinated. Starting from the USA, this evolution has spread throughout the world in a similar way and at roughly the same time. In 1955 faculties of electrical engineering introduced "computers" (jisuanji) as a course of …