Bryan Lopez COSC 1401

  • Charles Babbage

    -designed the first automatic calculator
    -based off the Difference engine, a steam powered mechanical calculator
    -regarded as the "Father of Computing"
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    Major Events of Computer History

  • Herman Hollerith

    -creator of the Hollerith Tabulation Machine
    applied the punch card concept to the Hollerith Tabulation machine which read census data
    -started own company which later became IBM
    -IBM is now the second largest employer in the world
  • Z1 Computer

    -Mechanical calculator
    -thought to be the first computer to include certain features integral to today's systems us as control unit and separate memory functions

    -stands for Electronic Numerical Integrator and Computer
    -US gov sponsored maching developed to calculate the settings used for weapons
    -Created by John W. Mauchly and J. Presper Eckert at the University of Pennsylvania
    - storage space needed was 1,800 square feet
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    1st GenerationComputers

    period from 1944-1951
    -includesthe ENIAC, UNIVAC
    -last computers to use vacuum tubes for data storage
    - had front panel switches

    -stands for Universal Automatic Computer
    - first successful commercial digital computer
    -used magnetic tape for data storage
    -was first intended for the Bureau of the Census
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    2nd Generation Computers

    Period lasting from 1951-1958
    -used transistors which replaced the vacuum tubes
    -computers were being made smaller but had a limit
    -started using magnetic core storage
  • Jack Kilby

    -invented the worlds first intergrated circuit
    -small capable of containing thousands of transistors
    -enabling computers to become smaller and lighter
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    3rd Generation Computers

    -began using early integrated-circuits
    - computers were now able to run different programs on the same computer

    -stands for Beginners All Purpose Symbolic Instruction Code
    -programming students could easily learn
    -used to write the program for Altair
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    4th Generation Computers

    -began using microprocessingchips
    -introduced by Intel Corp in 1971
    -Intel i7 is one of the most powerful processors
    - first personal computer was introduced in 1981 by IBM
  • Altair Computer

    -First personal computer available to the public.
    - Starting cost of $395
    -No monitor or keyboard
    -Storage options: Cassette Tape,Paper Tape, or floppy drive
  • Bill Gates

    -wrote the program for the Altair
    -co-founded Microsoft
  • Steve Jobs

    -worked with Steve Wozniak on computer designs to design the Apple I
    - created the Macintosh
    -worked for Atari before leaving to co-found the company "Apple"
  • Apple II

    -Included color monitor, sound, game paddles,
    -Biggest innovation was operation system stored in ROM
    -Had Expansion Slots, at this time no other computers offered this.
  • Visicalc

    • the first electronic spreadsheet application -originally released for the Apple II
  • WordStar

    -first word processing application
    -became available in 1979 for PCs
    -was first written for PC/M computers
  • Osbourne Computer

    -First Portable Computer
    -5 inche Screen, weighed 24.5 Pounds
    -Pre inStalled with Spreadsheet and word software
    - Could easily unplug and attach keyboard for travel
  • PageMaker

    -first desktop publishing software
    -was released first for Macintosh then for the IBM PC
    -succeeded by InDesign in 2004
  • Excel

    -one of the first spreadsheets to use a GUI

    used for calculation, graphing tools and more
    -replaed Lotus 1-2-3 as the industry standard

    -first web browser
    -allowed users to view multimedia on the web
    -caused internet traffic to go up by 350%
  • Netscape

    -First internet web browser
    - credited with the creation of the SSL
    - also credtedwith the first use of JavaScript