History of Computers

By sebrinarianne

  • invention of holes in cards

    holes in cards, 1725, invented by Semen Korsakov. It’s a piece of stiff paperthat contains digital information represented by the presence or absence of holes ini predefined positions.

  • invention of the analytical machine

    the analytical machine,1791. Uses only arithmetical addition and removed the need for multiplication a d division which are more difficult to implement mechanically.

  • invention of von Neumann architeccture

    von Neumann architecture, 1945 architecture of the computer discovered by John von Neumann. It forms the core of nearly every computer system in use today.

  • invention of the ENIAC

    ENIAC, 1946. It is the Electrical Numerical Integrator And Calculator. It was sponsored by the American military.

  • invention of the PC

    PC, 1950. A PC is a personal computer. Before the PC computers were only designed for big companies.

  • incvention of the UNIVAC

    UNIVAC, 1951 Successfully predicted the presidential election of Dwight D. Eisenhower. The first time the real word of the electronic computer got out.

  • Invention of the high level programming language

    High-level programming language, 1957. Invented by John Backus for IBM. Still used today for programming specific and mathematical applications. Wanted a programming language closest to the human language.

  • Invention of the UNIX.

    UNIX operating system, 1969. It is a powerful multi-user environment that has been implemented on a variety of platforms. There are many types of applications available on a UNIX system.

  • invention of the Altair

    Altair, 1975. It was a microcomputer design based on the Intel 8080. Known as the spark that led to the microcomputer revolution.

  • Apple started

    Apple, 1976. Started by steve wozniak and steve jobs. They released the first single circuit boardr used in a computer

  • Invention of CRAY-1

    CRAY-1. 1976. It became known as one of the most successful supercomputers in history. The chief engineer was the CRAY research co-founder Lester Davis.

  • Intention of the first electronic spreadsheet

    first electronic spreadsheet, 1979. Invented by Dan Bricklin and Bob Frankston, it is a matrix of rown and columns used for analyzing accounting data.

  • invention of the macintosh

    Macintosh, Jan 24, 1984. It was the first commercially successful personal computer

  • Start of Windows

    Windows, 1983. In 1985 windows 1.0 was introduced in November and initially sold for $100.00. first attempt to implement a milti-tasking graphical user interfece based operating environment on the PC platform.