New Technology, Part 1

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New Technology, Part 1

• Computers Communication The Internet

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Schedule Update

• Today Computers
• Pick up Exam 3 scores, end of class
• Friday The Internet
• Paper 2 due, in class
• After Thanksgiving break Ethics law
• Thursday, Dec. 16 Exam 4

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Extra-Credit Opportunity

• TODAY
• 6 p.m., SUB Ballroom
• Tickets 3, Nov. 16-17, outside Commons
• Sponsored by International Affairs Club, Oxfam,
  ASUI
• Paper due Nov. 29
• Monday after Thanksgiving Break

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Clicker Quiz 1

• According to The Merchants of Cool, the No. 1
  rule of cool is
• Look authentic, even if you're corporate.
• Dont let your marketing show.
• When in doubt, trust the Mook.
• You cant just look cool, you have to be cool.
• Just do it!

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Clicker Quiz 1

• According to The Merchants of Cool, the No. 1
  rule of cool is
• b) Dont let your marketing show.

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Computing as Communication

• Convergence of 3 technologies
• Calculator (adding machine)
• Typewriter
• Telegraph

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Calculating

• 1642 Blaise Pascal, French mathematician,
  invents calculator

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Calculators

• Charles Babbage
• British mathematician, inventor
• Difference engine prototype (1822)
• Device to calculate mathematical tables
• Not built until 1990s

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Typewriter

• Patent
• Eliphant Remington, 1874
• Keyboard QWERTY
• (prevents key jamming)

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Typewriter Keyboard

• Adapted to
• Telegraph
• Typesetting
• Punch cards

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Calculators

• Herman Hollerith
• Tabulating machine used in 1890 census
• Punch cards, electricity
• Company became International Business Machines
  (IBM)

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Calculating

• Punch cards

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Binary Language

• Converted information into series of zeroes and
  ones
• Data can be read as series of off/on signals (0
  off, 1 on)
• Breakthrough in storage and retrieval of
  information
• VIDEO Giant Brains

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Early computers

• Konrad Zuse, Germany
• 1938 Z1, punched tape, binary arithmetic
• 1941 Z3, first program-controlled calculator

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ENIAC 1946

• 1st main frame computer
• University of Pennsylvania
• Purpose calculations for U.S. Army
• 18,000 vacuum tubes
• Weighed 30 tons

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Predictions

• I think there is a world market for maybe five
  computers.
• --Thomas Watson, chairman, IBM (1943)
• Computers in the future may weigh no more than
  1.5 tons.
• --Popular Mechanics, 1949

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Predictions

• There is no reason anyone would want a computer
  in their home.
• --Ken Olson, president
• Digital Equipment Corp., 1977
• 640 K ought to be enough for anybody.
• --Bill Gates, president, Microsoft, 1981

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Clicker Quiz 10

• All of the following contributed directly to
  modern computer technology EXCEPT
• a) Adding machines
• b) Typewriters
• c) The transistor
• d) Vacuum tubes
• e) The internal combustion engine