Computer History

By ianolee
  • The QWERTY typewriter

    The QWERTY typewriter
    The QWERTY keyboard - used by virtually all typewriters, word processors and computers was invented by the American James Densmore as a means of slowing down the speed of typing so that the rollers on early typewriters would not jam.
  • Z1 Computer

    Z1 Computer
    First freely programmable computer made by Konrad Zuse
  • IBM chief Thomas Watson

    IBM chief Thomas Watson
    IBM chief Thomas Watson said there were would only ever be enough demand for five computers in the world.
  • First Private Electronic Computer

    First Private Electronic Computer
    Called ENIAC "Electronic Numerical Integrator and Calculator" it was the first private electronic computer, makes 5000 additions in a second and it weighed 30 tons.
  • Computer Mouse

    Computer Mouse
    Douglas Engelbart created the first mouse for Windows O.S
  • HAL 9000

    HAL 9000
    The most famous computer in the world, HAL 9000 never existed, but was in a movie.
  • Microsoft vs. Apple

    Microsoft vs. Apple
    Microsoft begins the friendly war with Apple.
  • The First Virus

    The First Virus
    The first ever computer virus ended up on a 5.25" floppy disk. The virus was called Brain and it was created by Basit and Amjad in Lahore, Pakistan.
  • Linux OS

    Linux OS
    The defining moment for open source software was when a young student at the University of Helsinki, first released his propotype Linux software.
  • Exceeded sales

    Exceeded sales
    In the USA, sales of computers to homes exceeded sales of computers to businesses.
  • Billionth PC

    Billionth PC
    The world computer industry shipped its one billionth PC.
  • Value of Pi

    Value of Pi
    In late 2002, a 10-strong team of computer specialists ran a computer program which took five years to design for a a total of 400 hours at the top speed of two trillion calculations a second to work out the value of pi - the ratio of the circumference of a circle to its diameter. They calculated the value to 1.2411 trillion places, a figure that would stretch around the world 500 times.
  • World's fastest supercomputer

    World's fastest supercomputer
    In 2010, the world's fastest supercomputer was a Chinese machine called Tianhe-1A which was capable of 2,507 trillion calculations each second.
  • Operating Systems

    Operating Systems
    More than 80% of the world's personal computers contain Microsoft's MS-DOS or Windows operating systems.