History of Computers

By wcskipp
  • First Programmable Computer

    The Z1, originally created by Germany's Konrad Zuse in his parents living room.
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    Atanasoff-Berry Computer(ABC)

    Developed by Professor John Vincent Atanasoff and graduate student Cliff Berry, and was continued to be developed at the Iowa state collage.
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    The ENIAC

    Invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons. Although the Judge ruled that the ABC computer was the first digital computer many still consider the ENIAC to be the first digital computer.
  • First Stored Program Computer

    The early British computer, known as the EDSAC, is considered to be the first stored program electronic computer. The computer that ran the first graphical computer game.
  • First PC

    IBM publicly introduced the 701, it's first electric computer and first mass produced computer.
  • First Computer with RAM

    MIT introduces the Whirlwind machine, a revolutionary computer that was the first digital computer with magnetic core RAM and real-time graphics.
  • First Transistor Computer

    The TX-O (Transistorized Experimental computer) and first transistorized computer is demonstrated at the Massachusetts Institute of Technology.
  • First Minicomputer

    Digital Equipment Corporation released its first of many PDP computers the PDP-1.
  • First Workstation

    Although never sold, the first workstation is considered to be the Xerox Alto. The computer was revolutionary for its time and included a fully functional computer, display, and mouse.
  • First Personal Computer

    Ed Roberts coined the term personal computer when he introduced the Altair 8800. Although the first personal computer is considered to be the Kenback-1, which was first introduced for $750 in 1971.
  • First Portable Computer

    The IBM 5100 is the first portable computer. The computer weighed 55 pounds and had a five inch CRT display, tape drive, 1.9MHz PALM processor, and 64KB of RAM.
  • First Multimedia Computer

    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.