ce message - Information Processing Acquire information as...

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Unformatted text preview: Information Processing Acquire information as data Encode data Store data Transmit data Modify data Output data recreate information People do this really well! Information Processing So why not just use people? Slow? Error prone? noise gets introduced into the signals? Information Knowledge Modified Information Information Processing So why not just use people? Slow? Error prone? noise gets introduced into the signals? Information Knowledge Modified Information Information Processing But People can store data People can modify data People can transmit data People can modify data However, throughout history humans have developed systems to augment their capabilities.. Mechanical systems amplify and improve on natural capabilities.. Information Processing Information storage and copying The invention of the alphabet The invention of writing information (knowledge) storage by scribes hand writing and copying text. Information Processing Information retrieval Reading stored information Information Processing Information Creation and Modification: Writing a book Editing a document Performing arithmetic Information Processing Information transfer Written documents Speech Body language Automating the Processes The printing press Gutenberg (1452) Most of the components had existed for over 200 years he added the concept of movable type. An information revolution in society as significant as the arrival of computers . Automating the Processes Automatic arithmetic? A memory system the abacus (500BC) Early Mechanical Computers It is customary to trace the first computer to Charles Babbage 1792 1871 www.fourmilab.ch/babbage Difference Engine to calculate mathematical tables only partially completed working difference engine built by the London Science Museum in 2000, using machining tolerances of 1832 ! Analytical engine Never finished mechanical steam-powered digital general purpose punch cards mill and store sequential control branching and looping Automating the Processes 1940 electronics had reached a stage where the mechanical structures of the analytical engine could be replaced....
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ce message - Information Processing Acquire information as...

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