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Synopsis The modern world of high technology could not have come about without the invention of the computer. Computers are used through society for the storage and handling of data-from secret governmental files to banking transactions to private household accounts. Computers have opened up a new era in manufacturing through the techniques of automation, and they have enhanced modern communication systems. They are essential tools in almost every field of research and applied technology, from the construction of models of the universe to the production of tomorrow's weather reports, and their use has in itself opened up new areas of conjecture. Database services and computer networks make available a great variety of information sources. Computers come in a wide range of sizes. Supercomputers analyse massive, complexly interrelated sets of data.This book in three volumes encompasses encyclopaedic information on computer science. The authentic information contained herein will benefit students and scholars in the field besides the professionals.