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Computers Past & Present

By jpgaleazzi
  • First programmable computer

    First programmable computer

    The Z3 by German inventor Konrad Zuse from 1941 was the first working programmable, fully automatic computing machine.
  • First commercial computer IBM

    First commercial computer IBM

    The first commercial computer that used a moving head hard disk drive for secondary storage. IBM
  • First dynamic RAM chip

    First dynamic RAM chip

    the newly formed Intel company publicly released the 1103, the first DRAM (Dynamic Random Access Memory) chip
  • Period: to

    First personal Computer

    Several different manufacturers marketed "personal computers" between 1974 and 1977 in response to that desire.
  • Apple Macintosh Computer

    Apple Macintosh Computer

    The more affordable home computer with a GUI.

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