• Friday15th August 1975

    The Digital Group

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    The Digital Group was the first company to produce a system built around the Zilog Z80 processor. Their hobbyist-targeted products were based on a system of interchangeable boards and components which allowed users to upgrade to different CPUs without having to replace their peripherals. Their produ... see all details



  • Friday30th May 1975

    Marissa Mayer

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    Marissa Ann Mayer ( born May 30, 1975) is President and CEO of Yahoo!. Previously, she was a long-time executive and key spokesperson for Google. Mayer was ranked number 14 on the list of America's most powerful businesswomen of 2012 by Fortunemagazine. Mayer was born in Wausau, Wisconsin, the daugh... see all details



  • Tuesday15th April 1975

    Processor Technology

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    Processor Technology Corporation was a personal computer company founded in April 1975 by Gary Ingram and Bob Marsh in Berkeley, California. Their first product was a 4K byte RAM board that was compatible with the MITS Altair 8800 computer but more reliable than the MITS board. This was followed by ... see all details



  • Monday14th April 1975

    Microsoft Inc.

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    Microsoft Corporation is an American multinational software corporation headquartered in Redmond, Washington that develops, manufactures, licenses, and supports a wide range of products and services related to computing. The company was founded by Bill Gates and Paul Allen on April 4, 1975. Microsof... see all details



  • Wednesday1st January 1975

    Ohio Scientific Inc.

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    Ohio Scientific Inc. (also known as Ohio Scientific Instruments) was a United States computer company that built and marketed microcomputers from 1975 to 1981. Their best known products were the Challenger series of microcomputers, but they also sold a variety of computer kits, single-board com... see all details



  • Wednesday1st January 1975

    Sphere Corporation

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    The Sphere I was a personal computer completed in 1975 by Michael Donald Wise of Sphere Corporation, of Bountiful, Utah. The Sphere I featured a Motorola 6800 CPU, onboard ROM, Monitor, 4 KB of RAM, and a keyboard with a numeric keypad. Sphere I. The Sphere I was among the earliest microcomputers. M... see all details