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History of Computers

By SirMcSweg

  • the word computer

    The word "computer" was first recorded as being used in 1613 and was originally was used to describe a human who performed calculations or computations. The definition of a computer remained the same until the end of the 19th century when people began to realize machines never get tired and can perform calculations much faster and more accurately than any team of human computers ever could. http://www.computerhope.com/issues/ch000984.htm

  • Automatic computing

    In 1822, Charles Babbage conceptualized and began developing the Difference Engine, considered to be the first automatic computing engine that was capable of computing several sets of numbers and making hard copies of the results. Unfortunately, because of funding he was never able to complete a full-scale functional version of this machine. http://www.computerhope.com/issues/ch000984.htm

  • The Analytical Engine

    in 1837 Charles Babbage proposed the first general mechanical computer, the Analytical Engine. The Analytical Engine contained an Arithmetic Logic Unit (ALU), basic flow control, and integrated memory and is the first general-purpose computer concept. Unfortunately, because of funding issues this computer was also never built while Charles Babbage's was alive. http://www.computerhope.com/issues/ch000984.htm

  • The Analytical Engine 2

    In 1910, Henry Babbage, Charles Babbage's youngest son was able to complete a portion of this machine and was able to perform basic calculations.

  • Z1

    The Z1, originally created by Germany's Konrad Zuse in his parents' living room in 1936 to 1938 and is considered to be the first electro-mechanical binary programmable (modern) computer and really the first functional computer. http://www.computerhope.com/issues/ch000984.htm

  • ABC

    Short for Atanasoff-Berry Computer, the ABC started being developed by Professor John Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa State College (now Iowa State University). The ABC was an electrical computer that used vacuum tubes for digital computation including binary math and Boolean logic and had no CPU. http://www.computerhope.com/issues/ch000984.htm

  • Electronics

    Electronics
    is developed by the Ballistics Research Laboratory in Maryland to assist in the preparation of firing tables for artillery. It is built at the University of Pennsylvania's Moore School of Electrical Engineering and completed in November 1945. http://www.pbs.org/nerds/timeline/elec.html

  • Colossus

    The Colossus was the first electric programmable computer and was developed by Tommy Flowers and first demonstrated in December 1943. The Colossus was created to help the British code breakers read encrypted German messages. http://www.computerhope.com/issues/ch000984.htm

  • Baby

    The early British computer known as the EDSAC is considered to be the first stored program electronic computer. The computer performed its first calculation on May 6, 1949 and was the computer that ran the first graphical computer game, nicknamed "Baby". http://www.computerhope.com/issues/ch000984.htm

  • Mini

    Mini
    Texas Instruments and Fairchild semiconductor both announce the integrated circuit in 1959.
    Ivan Sutherland demonstrates a program called Sketchpad on a TX-2 mainframe at MIT's Lincoln Labs in 1962. It allows him to make engineering drawings with a light pen. A typical minicomputer costs about $20,000. 1965: An IC that cost $1000 in 1959 now costs less than $10. http://www.pbs.org/nerds/timeline/mini.html

  • HP

    In 1968, Hewlett Packard began marketing the first mass-marketed PC and the first desktop computer, the HP 9100A.

  • Network the start

    Timesharing, the concept of linking a large numbers of users to a single computer via remote terminals, is developed at MIT in the late 50s and early 60s.
    1962: Paul Baran of RAND develops the idea of distributed, packet-switching networks. ARPANET goes online in 1969. http://www.pbs.org/nerds/timeline/network.html

  • Micro

    Micro
    Bill Gates and Paul Allen form Traf-O-Data in 1971 to sell their computer traffic-analysis systems.
    1972: Gary Kildall writes PL/M, the first high-level programming language for the Intel microprocessor. Steve Jobs and Steve Wozniak are building and selling "blue boxes" in Southern California in 1971. April 1972: Intel introduces the 8008, the first 8-bit microprocessor. http://www.pbs.org/nerds/timeline/micro.html

  • IBM

    The Compaq Portable is considered to be the first PC clone and was release in March 1983 by Compaq. The Compaq Portable was 100% compatible with IBM computers and was capable of running any software developed for IBM computers.

  • Network end

    Tim Berners-Lee develops the World Wide Web. CERN releases the first Web server in 1991. 1992: the number of hosts breaks 1,000,000. The World Wide Web sports a growth rate of 341,634% in service traffic in its third year, 1993. The main U.S. Internet backbone traffic begins routing through commercial providers as NSFNET reverts to a research network in 1994. The Internet 1996 World Exposition is the first World's Fair to be held on the internet. http://www.pbs.org/nerds/timeline/network.ht