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  • When is laptop invented
    • When was the first modern laptop invented

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    Laptop computer history

    Updated: 07/13/2023 by Computer Hope

    1975

    The first portable computer was the IBM 5100, released in September 1975. It weighed 55-pounds, which was much lighter and more portable than any other computer to date.

    While not truly a laptop by today's standards, it paved the way for developing truly portable computers, i.e., laptops.

    1976

    Alan Kay created the idea of the laptop in 1976 while working at Xerox PARC (Palo Alto Research Center), calling it the Dynabook.

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    • He helped develop a prototype of his Dynabook, which was officially named the Xerox Note Taker.

    1979

    Bill Moggridge designed the GRiD Compass in 1979, the most portable computer at the time and the closest example of a laptop computer.

    NASA used the GRiD Compass in its space shuttle program in the early 1980s.

    1981

    Developed by Adam Osborne in April 1981, the Osborne I was the first truly portable computer and was recognized as the first true laptop computer.

    It weighed 24½-pounds and had a 5" display.

    Epson released the Epson HX-20 in 1981. It was the first portable

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