History of computers by Max Blane https://padlet.com/26blanem/34tr5xe069fvdkn en-us 2020-11-10 14:44:48 UTC 2020-11-12 23:05:52 UTC hello@padlet.com 1930's - HP 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918633646
  • Founded in a garage in CA by David Packard and Bill Hewlett in 1939
  • HP 200A Audio Oscillator was their first product and used as test equipment by engineers 
  • Disney used the 200B model for the movie “Fantasia”

    • ]]>     2020-11-12 21:55:47 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918633646     1940s-Z3 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918756435
  • Built in Germany in isolation from other developments
  • Used 2,300 relays
  • Performed floating point binary arithmetic
  • 22 bit word length
  • Used for aerodynamic calculations

    • ]]>     2020-11-12 22:54:13 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918756435     1950- MADDIDA 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918760107
  • Digital drum-based differential analyzer
  • Useful for mathematical calculations used by scientists and engineers
  • 53 vacuum tubes and hundreds of germanium diodes
  • Magnetic drum for memory

    • ]]>     2020-11-12 22:56:04 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918760107     1960’s - IBM 1400 Series 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918763588
  • Replaces vacuum tubes with transistors
  • More than 12,000 were manufactured

    • ]]>     2020-11-12 22:57:50 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918763588     1970’s - Nova Minicomputer 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918768643
  • 32 KB memory
  • Sold for $8,000
  • This line of computers influenced systems like Xerox Alto and Apple 1



    • ]]>     2020-11-12 23:00:27 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918768643     1980’s - C64 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918770175
  • 64 KB  of RAM
  • Sells for $595
  • Impressive graphics
  • 2006 Guinness Book of World Records recognized C64 as the greatest selling computer of all time



    • ]]>     2020-11-12 23:01:16 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918770175     1990’s - Intel’s Pentium microprocessor 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918772046
  • introduced several advances that made programs run faster
  • Could execute several instructions at the same time
  • Support for graphics and music



    • ]]>     2020-11-12 23:02:13 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918772046     2000’s - J-Phone J-SH04 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918775597
  • First digital phone with integrated camera
  • Camera’s maximum resolution was 0.11 megapixels
  • 256-color display
  • Photos could be wirelessly shared

    • ]]>     2020-11-12 23:04:04 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918775597     2010’s - iPad 26blanem https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918778403
  • 9 inch screen
  • Many capabilities of the iPhone but without the phone
  • Hi-definition camera
  • Access to iTunes store
  • A/V capabilities
  • Very popular thanks to all the apps, games and accessories

    • ]]>     2020-11-12 23:05:29 UTC https://padlet.com/26blanem/34tr5xe069fvdkn/wish/918778403