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Computer science is the study of both computer hardware and software design. It encompasses both the study of theoretical algorithms and the practical problems involved in implementing them through computer hardware and software. The study of computer science has many branches, including artificial intelligence, software engineering, programming and computer graphics. The need for computer science as a discipline has grown as computers become more integrated into our day-to-day lives and technology continues to advance.
The beginnings of computer science as a study go back to the 1940s, when the first digital electronic computers were developed for use in in World War II. The field has since seen many major achievements including the digital revolution and establishment of the Internet, as well as the use of computers in science and math.
The term computer science is often confused with information technology (IT), but these are very different fields. IT deals with the study of data and data processing, and may also apply to the management of computer systems, particularly in a business setting. Computer science, on the other hand, deals with the more theoretical, or academic, side of computing.