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History of Computers

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  • The Z1

    created by Germany's Konrad Zuse in his parents living room

  • The ENIAC

    invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946

  • 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

  • The first PC (IBM compatible) computer

    On April 7, 1953 IBM publicly introduced the 701 , its first electric computer and first mass produced computer. Later IBM introduced its first personal computer called the "IBM PC" in 1981.

  • Toshiba

    In 1954 Toshiba introduces its first computer, the "TAC" digital computer

  • The first computer with RAM

    MIT introduces the Whirlwind machine March 8, 1955 , a revolutionary computer that was the first digital computer with magnetic core RAM and real-time graphics.

  • The first transistor computer

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

  • The first minicomputer

    In 1960 Digital Equipment Corporation released its first of many PDP computers the PDP-1 .

  • Hewlett Packard

    Hewlett Packard released its first general computer, the "HP-2115."

  • NEC

    builds its first computer the "NEAC 1101."

  • The first workstation

    Although never sold the first workstation is considered to be the Xerox Alto

  • The first personal computer

    In 1975 Ed Roberts coined the term personal computer when he introduced the Altair 8800.

  • The first laptop or 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.

  • The first Apple computer

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

  • The first PC clone

    The first PC clone was developed by Compaq , the "Compaq Portable" was release in March 1983 and was 100% compatible with IBM computers and software that ran on IBM computers.

  • Compaq

    Compaq released its first computer and the first 100% IBM compatible computer the "Compaq Portable."

  • Dell

    introduced its first computer, the "Turbo PC."

  • 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.