computer history

By salma98
  • logarithm

    logarithm
    The logarithm of a number is the exponent to which another fixed value, the base, must be raised to produce that number.
  • the pasaline

    the pasaline
    Blaise Pasal inveted the first calculator, this calculating machine could add and subtract two numbers directly and multiply and divide by repetition.
  • analytical engine

    analytical engine
    The Analytical Engine incorporated an arithmetic logic unit, control flow in the form of conditional branching and loops, and integrated memory. it was invented by Lady Augusta
  • Turing machine

    Turing machine
    A Turing machine is a hypothetical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any computer algorithm, its created by Alan turing
  • colossus

    colossus
    it was inveted by tommy flower. Colossus was the world's first electronic digital computer that was at all programmable
  • The Harvard Mark 1 computer

    The Harvard Mark 1 computer
    this computerwas a general purpose electro-mechanical computer that was used in the war effort during the last part of World War II. it was created by Howard Aiken
  • The Integrated Circuit

    The Integrated Circuit
    is a set of electronic circuits on one small plate ("chip") of semiconductor material, normally silicon. This can be made much smaller than a discrete circuit made from independent components. jack killby
  • software Microsoft

    software Microsoft
    Microsoft was founded by Bill Gates and Paul Allen on April 4, 1975 to develop and sell BASIC interpreters for Altair 8800.It is the world's largest software maker measured by revenues.[4] It is also one of the world's most valuable companies
  • apple

    apple
    its was invented by Steve Jobs
  • google

    google
    it was invented by sergey brin
  • google 1998

    google 1998
    it was inveted by larry áge who was s an American computer scientist and Internet entrepreneur who is the co-founder of Google, alongside Sergey Brin