history of computers

  • 2400 BCE

    the abacus

    the abacus
    the abacus was a device made to add and subtract and it was invented in 2400 B.C. http://anddum.com/timeline/history_short.htm
  • 500 BCE

    Panini

    the Indian Mathematician introduces the forerunner to modern formal language theory
  • 300 BCE

    Pingala

    invents the binary number system
  • 87 BCE

    Antikythera Mechanism

    Built in Rhodes to track movement of the stars
  • 60

    Heron of Alexandria

    invents machines which are able to follow a series of instructions
  • 724

    Liang Ling-Can

    invents the first fully mechanical clock
  • 1492

    Leonardo da Vinci

    Drawings by Leonardo da Vinci depict inventions such as flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots
  • John Napier

    John Napier
    invents a system of moveable rods (Napier's Rods) based on logarithms which were able to multiply, divide and calculate square and cube roots
  • William Oughtred

    develops the slide rule (it was circular in shape)
  • Calculating Clock

    William Oughtred
  • Blaise Pascal

    invents the the "Pascaline", a mechanical adding machine
  • Gottfried Leibniz

    becomes known as one of the founding fathers of calculus
  • Joseph-Marie Jacquard

    invents an automatic loom controlled by punched cards
  • Arithmometer

    The Arithmometer was the first mass-produced calculator invented by Charles Xavier Thomas de Colmar
  • invention of computer

    the first computer was designed and put into production
  • Charles Babbage

    designs his first mechanical computer
  • Morse code

    is invented by Samuel Morse
  • Alexander Graham Bell

    Alexander Graham Bell
    invents the telephone called the Photophone
  • first computer for routine use

    the first electric computer to be used for routine
  • ENIAC

    ENIAC
    The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons.
  • computer bug

    the term computer ‘bug’ is first used by Grace Hopper
  • Sputnik I and Sputnik II

    Sputnik I and Sputnik II
    are launched by the Russians
  • The Computer Mouse

    Douglas Engelbart invents and patents the first computer mouse (nicknamed the mouse because the tail came out the end)
  • RAM

    Intel introduces the world's first available dynamic RAM ( random-access memory) chip and the first microprocessor, the Intel 4004
  • Apple

    Apple Computers is founded by Steve Wozniak and Steve Jobs on 1 Apr 1976 (April Fools Day)