JAMM 100JAMM 100 11

New Technology, Part 1New Technology, Part 1

Computers + Communication Computers + Communication = The Internet= The Internet

JAMM 100JAMM 100 22

Schedule Update Schedule Update

Today:Today: Computers Computers– Pick up Exam 3 scores, end of classPick up Exam 3 scores, end of class

Friday: The InternetFriday: The Internet– Paper 2 due, in classPaper 2 due, in class

After Thanksgiving break: Ethics & lawAfter Thanksgiving break: Ethics & law Thursday, Dec. 16: Exam 4Thursday, Dec. 16: Exam 4

JAMM 100JAMM 100 33

Extra-Credit Extra-Credit OpportunityOpportunity TODAYTODAY

– 6 p.m., SUB Ballroom6 p.m., SUB Ballroom– Tickets: $3, Nov. 16-17, outside Tickets: $3, Nov. 16-17, outside

CommonsCommons Sponsored by International Affairs Sponsored by International Affairs

Club, Oxfam, ASUIClub, Oxfam, ASUI Paper due: Nov. 29Paper due: Nov. 29

– Monday after Thanksgiving BreakMonday after Thanksgiving Break

JAMM 100JAMM 100 44

Clicker Quiz #1Clicker Quiz #1

According to According to The Merchants of CoolThe Merchants of Cool, the No. , the No. 1 rule of cool is: 1 rule of cool is:

a)a) Look authentic, even if you're corporate. Look authentic, even if you're corporate. b)b) Don’t let your marketing show.Don’t let your marketing show.c)c) When in doubt, trust the Mook. When in doubt, trust the Mook. d)d) You can’t just look cool, you have to You can’t just look cool, you have to bebe

cool.cool.e)e) Just do it!Just do it!

JAMM 100JAMM 100 55

Clicker Quiz #1Clicker Quiz #1

According to According to The The Merchants of CoolMerchants of Cool, , the No. 1 rule of cool the No. 1 rule of cool is: is:

b) Don’t let your b) Don’t let your marketing show. marketing show.

JAMM 100JAMM 100 66

Computing as CommunicationComputing as Communication

ConvergenceConvergence of 3 technologies: of 3 technologies: Calculator (adding machine)Calculator (adding machine) TypewriterTypewriter TelegraphTelegraph

JAMM 100JAMM 100 77

CalculatingCalculating1642: Blaise Pascal, 1642: Blaise Pascal,

French French mathematician, mathematician, invents calculatorinvents calculator

JAMM 100JAMM 100 88

CalculatorsCalculators Charles BabbageCharles Babbage British mathematician, British mathematician,

inventorinventor Difference engine Difference engine

prototype (1822)prototype (1822) Device to calculate Device to calculate

mathematical tablesmathematical tables Not built until 1990sNot built until 1990s

JAMM 100JAMM 100 99

TypewriterTypewriter

Patent:Patent: Eliphant Remington, Eliphant Remington,

18741874Keyboard: QWERTYKeyboard: QWERTY(prevents key jamming)(prevents key jamming)

JAMM 100JAMM 100 1010

Typewriter KeyboardTypewriter Keyboard

Adapted to:Adapted to: TelegraphTelegraph TypesettingTypesetting Punch cardsPunch cards

JAMM 100JAMM 100 1111

CalculatorsCalculators

Herman HollerithHerman Hollerith Tabulating machine Tabulating machine

used in 1890 censusused in 1890 census Punch cards, electricityPunch cards, electricity Company became Company became

International Business International Business Machines (IBM)Machines (IBM)

JAMM 100JAMM 100 1212

CalculatingCalculating

Punch cardsPunch cards

JAMM 100JAMM 100 1313

Binary LanguageBinary Language

Converted information into series of Converted information into series of zeroes and oneszeroes and ones

Data can be read as series of off/on Data can be read as series of off/on signals (0 = off, 1 = on)signals (0 = off, 1 = on)

Breakthrough in storage and retrieval Breakthrough in storage and retrieval of informationof information

VIDEO: VIDEO: Giant BrainsGiant Brains

JAMM 100JAMM 100 1414

Early computersEarly computers

Konrad Zuse, GermanyKonrad Zuse, Germany 1938: Z1, punched tape, 1938: Z1, punched tape,

binary arithmeticbinary arithmetic 1941: Z3, first program-1941: Z3, first program-

controlled calculatorcontrolled calculator

JAMM 100JAMM 100 1515

ENIAC: 1946ENIAC: 1946

11stst “main frame” computer “main frame” computer University of PennsylvaniaUniversity of Pennsylvania Purpose: calculations for U.S. Army Purpose: calculations for U.S. Army 18,000 vacuum tubes18,000 vacuum tubes Weighed 30 tonsWeighed 30 tons

JAMM 100JAMM 100 1616

PredictionsPredictions ““I think there is a world market for I think there is a world market for

maybe five computers.”maybe five computers.”--Thomas Watson, chairman, IBM (1943)--Thomas Watson, chairman, IBM (1943)

““Computers in the future may weigh Computers in the future may weigh no more than 1.5 tons.”no more than 1.5 tons.”

--Popular Mechanics, 1949--Popular Mechanics, 1949

JAMM 100JAMM 100 1717

PredictionsPredictions

““There is no reason anyone would want a There is no reason anyone would want a computer in their home.”computer in their home.”

--Ken Olson, president--Ken Olson, presidentDigital Equipment Corp., 1977Digital Equipment Corp., 1977

““640 K ought to be enough for anybody.”640 K ought to be enough for anybody.”--Bill Gates, president, Microsoft, 1981--Bill Gates, president, Microsoft, 1981

JAMM 100JAMM 100 1818

Clicker Quiz #10Clicker Quiz #10

All of the following contributed directly All of the following contributed directly to modern computer technology to modern computer technology EXCEPT:EXCEPT:a) Adding machinesa) Adding machinesb) Typewritersb) Typewritersc) The transistorc) The transistord) Vacuum tubesd) Vacuum tubese) The internal combustion enginee) The internal combustion engine