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Download A brief history of computing by Gerard O'Regan PDF

By Gerard O'Regan

This vigorous and engaging textual content lines the most important advancements in computation – from 3000 B.C. to the current day – in an easy-to-follow and concise demeanour. themes and contours: excellent for self-study, providing many pedagogical gains comparable to chapter-opening key issues, bankruptcy introductions and summaries, routines, and a word list; provides particular info on significant figures in computing, resembling Boole, Babbage, Shannon, Turing, Zuse and Von Neumann; stories the historical past of software program engineering and of programming languages, together with syntax and semantics; discusses the growth of synthetic intelligence, with extension to such key disciplines as philosophy, psychology, linguistics, neural networks and cybernetics; examines the impression on society of the creation of the private machine, the realm large internet, and the advance of cellphone expertise; follows the evolution of a couple of significant know-how businesses, together with IBM, Microsoft and Apple.

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Extra resources for A brief history of computing

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The process continues until r ¼ 0. 1. 2. 3. 4. 1. Algorithms are fundamental in computing as they define the procedure by which a problem is solved. A computer program implements the algorithm in some programming language. Eratosthenes was a Hellenistic mathematician and scientist who worked in the famous library in Alexandria. This ancient library was once the largest library in the world. C. D. Eratosthenes devised a system of latitude and longitude and became the first person to estimate of the size of the circumference of the earth.

This was the successor to ENIAC computer, and von Neumann’s draft report on EDVAC [VN:45] described the new architecture. The EDVAC computer was built in 1949. von Neumann architecture led to the birth of stored program computers where a single store is used for both machine instructions and data. 1. The key approach to building a general-purpose device according to von Neumann was in its ability to store not only its data and intermediate results of computation but also to store the instructions or commands for the computation.

His army also consisted of war elephants. Rome finally defeated Carthage and destroyed the city. 5 The Romans 17 Fig. 8 Julius Caesar Fig. 9 Roman numbers I=1 V=5 X = 10 L = 50 C = 100 D = 500 M = 1000 The Gauls consisted of several disunited Celtic22 tribes. C. (Fig. 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.

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