History of Computers

By Chris-0819
  • 3000 BCE

    Abacus

    Abacus
    First device that was used for calculation

  • Census

    Census
    a hole punch reader helped to count the us census

  • programable computer

    programable computer
    Ada lovela considered the first programmer she came up with and algorithm that would calculate Bernoulli numbers

  • First bug in a computer

    First bug in a computer
    Grace Hopper discover the first bug, a death moth blocking one of the reading holes of the machine,

  • First commercial computer

    First commercial computer
    The Z4 was the first commercial computer