CS101.Lect02.HistoryOfComputing.ppt

CS101.Lect02.HistoryOfComputing.ppt - CS101 Lecture 2:...

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1 1 Aaron Stevens 8 September Some images courtesy Wikimedia Commons, IBM CS101 Lecture 2: Brief History of Computing "There is no reason anyone would want a computer in their home." -- Ken Olson, founder and CEO of Digital Equipment Corp., 1977 2 What You Will Learn Today – Why should you care about the history of computing? – How can computers learn new tricks? – Who are the main actors in the history of personal computing? – Why have computers become so much better, faster, and cheaper over time? – AND: answers to some dumb questions
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2 3 Why should we care? “Predictions are that by 2013 a supercomputer will be built that exceeds the computation capability of the human brain.” Did You Know Globalization and The Information Age -- Created by Karl Fisch, and modified by Scott McLeod http://www.youtube.com/watch?v=ljbI-363A2Q Is this for real? 4 Why should we care? “Predictions are that by 2049 a $1000 computer will exceed the computational capabilities of the human race.” Did You Know Globalization and The Information Age -- Created by Karl Fisch, and modified by Scott McLeod http://www.youtube.com/watch?v=ljbI-363A2Q Is this for real?
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3 5 Early History of Computing Abacus (2400 BC) Ancient device to record numeric values Above: a reconstructed Roman abacus 6 Early History of Computing Blaise Pascal (1623-1662) Mechanical device to add, subtract, divide & multiply
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4 7 Early History of Computing Joseph Jacquard (1801) Jacquard’s Loom, the punched card http://www.youtube.com/watch?v=2ypE4ZJF7qY 8 3 What tricks does your computer do? – Web browsing, email, instant messenger
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This note was uploaded on 12/16/2011 for the course CS 101 taught by Professor Stevens during the Fall '08 term at BU.

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CS101.Lect02.HistoryOfComputing.ppt - CS101 Lecture 2:...

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