Computer History

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    First Programable Computer

    The Z1 originally created by Germany's Konrad Zuse in his parents living room in 1936 to 1938 is considered to be the first electro-mechanical binary programmable computer and really the first functional computer.
  • The first digital computer

    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. On October 19, 1973, the US Federal Judge Earl R. Larson signed his decision that the ENIAC patent by Eckert and Mauchly
  • The first electric programmable computer

    The Colossus was the first electric programmable computer developed by Tommy Flowers and first demonstrated in December 1943. The Colossus was created to help the British code breakers read encrypted German messages.
  • The first stored program computer

    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.
  • The first personal computer

    In 1975, Ed Roberts coined the term personal computer when he introduced the Altair 8800. Although the first personal computer is considered by many to be the Kenback-1, which was first introduced for $750 in 1971. The computer relied on a series of switches for inputting data and output data by turning on and off a series of lights. The Micral is considered the be the first commercial non-assembly computer. The computer used the Intel 8008 processor and sold for $1,750 in 1973.
  • The first laptop or portable computer

    The IBM 5100 is the first portable computer, which was released on September 1975. The computer weighed 55 pounds and had a five inch CRT display, tape drive, 1.9MHz PALM processor, and 64KB of RAM. In the picture to the right, is an ad of the IBM 5100 taken from a November 1975 issue of Scientific America. The first truly portable computer or laptop is considered to be the Osborne I, which was released on April 1981. The Osborne I was developed by Adam Osborne and weighed 24 pounds, had a 5-in
  • The first Apple computer

    Steve Wozniak designed the first Apple known as the Apple I computer in 1976.
  • The first multimedia computer

    In 1992, Tandy Radio Shack becomes one of the first companies to release a computer based on the MPC standard with its introduction of the M2500 XL/2 and M4020 SX computers.