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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.