A brief history of computing - download pdf or read online

By Gerard O'Regan

ISBN-10: 144712359X

ISBN-13: 9781447123590

This full of life and engaging textual content lines the foremost advancements in computation – from 3000 B.C. to the current day – in an easy-to-follow and concise demeanour. issues and lines: excellent for self-study, delivering many pedagogical gains equivalent to chapter-opening key subject matters, bankruptcy introductions and summaries, routines, and a word list; provides precise info on significant figures in computing, resembling Boole, Babbage, Shannon, Turing, Zuse and Von Neumann; reports the historical past of software program engineering and of programming languages, together with syntax and semantics; discusses the growth of man-made intelligence, with extension to such key disciplines as philosophy, psychology, linguistics, neural networks and cybernetics; examines the effect on society of the creation of the private computing device, the realm extensive net, and the advance of cell phone expertise; follows the evolution of a couple of significant know-how businesses, together with IBM, Microsoft and Apple.

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9). The Roman number system uses letters to represent numbers, and a number consists of a sequence of letters. The evaluation rules specify that if a number follows a smaller number, then the smaller number is subtracted from the larger number, for example IX represents 9 and XL represents 40. Similarly, if a smaller number followed a larger number, they were generally added, for example MCC represents 1,200. They had no zero in their system. The use of Roman numerals was cumbersome in calculation, and an abacus was often employed.

This proved to be a major limitation as it meant that a complex manual rewiring process was required to enable the machine to solve a different problem (Fig. 5). The computers used today are general-purpose machines designed to allow a variety of programs to be run on the machine. The fundamental architecture underlying modern computers was described by von Neumann and others in the mid-1940s. It is known as von Neumann architecture. It arose on work done by von Neumann, Eckert, Mauchly and others on the design of the EDVAC computer.

56 * 400 ¼ 5,024 (which is less than 5,280 ft for a standard mile in the Imperial system). 14 1 Computing in Early Civilisations Fig. 7 Plato and Aristotle Alexander the Great. He made contributions to physics, biology, logic, politics, ethics and metaphysics. Aristotle’s starting point to the acquisition of knowledge was the senses. He believed that the senses were essential to acquire knowledge. This position is the opposite from Plato who argued that the senses deceive and should not be relied upon.

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A brief history of computing by Gerard O'Regan

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