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Progress in information technology This work is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 License. Skills: none IT concepts: technology progress versus technology, progress in storage, electronic and communication technology
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Where does this topic fit? Internet concepts –Applications –Technology –Implications for Internet skills –Application development –Content creation
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Information technologies Electronic Storage Communication
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Technology progress and technology shifts
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Technology progress 1903 1905
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Storage: IBM 305 RAMAC, 1956 5 million characters (6 bits each) 50 two-foot-diameter disks $167,850 with no printer A nice house was $15,000 and a coke or candt bar 5 cents
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Electronics: transistors Three billion transistor integrated circuits (chips) today First integrated circuit, 1959 First transistor, 1948
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Communication: 1986, NSFNet backbone 56 kbps Today 10 gbps is common
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The first functioning laser, 1960
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My first home terminal, 1973, 100 bits per second
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Progress in information technology This work is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 License. Skills: none IT concepts: technology progress versus technology, progress in storage, electronic and communication technology
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A few questions We looked at storage, electronic and communication technology. What other technologies are undergoing dramatic improvement? If the first cars got only 1 mile per gallon, and that doubled every two years, what would our mileage have been 20 years later? Thirty years later?
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What is punched in this card?
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