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Analytical Engine: 1834
Designed by Charles Babbage
First automatic calculator
Based on Difference Engine
Never developed
Drawings and descriptions similar to today’s computers -
created by Herman Hollerith
U.S. Census Bureau: Tabulate census data
Automatically read data from punch cards
1896: Hollerith started the Tabulating Machine Company
Later became International Business Machines (IBM) -
created by Kenrad Zuse included control unit and seperate memory function.
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Electronicl Integrator computer .. First successful high speed electronic digital computer big used over 18,000 vaccum tubes created by John Mauchlly and J. Presr at University of Pennslyvania.
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Used vacuum tubes to store data( memory)
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Predominate player in browser software
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Used transistors to store data
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Universal Automatic Computer first commercially sucessful electronic digital computer operated on magnetic tape. Gained notorrery when used to predict outcome of steven Eisenhower presidential race.
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Used integrated circuits
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Jack Kilby of Texas instrumentsm created integrated small chip containin thousands of transisters enabled computers to become smaller and lighter consider 3rd generation computers
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short for Beginners All Purpose symbolic Instruction Code programing languages Fortran, Algol, and Cobol led to microsofy and became key language for Pc.
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Use microprocessor chip
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Graphical User Interface allowed users to interact with computere more easily (Xerox Alto) mouse and network connectivty never sold commercially.
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First personal computer sold as kit 395 Bill Gates and Paul allen among first owners.
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Founder of Microsoft
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Wanted apple computer to be perfect computer company . Picked name cause he thought of apple to be the perfect fruit because of nutrition. Also one of main discoverers of apple.
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Built by Steve Jobs and Steve Wozinack included color monitor sound and game.
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First word processing application
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First electronic spreadsheet application
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obernight success first portable computer sold 10,000 units per month.
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First desktop publishing software
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First spread sheet to use GUI
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First web brower allowed usersto use multimedia on the web caused internet traffic to increase by nearly 350 percent
