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steam-driven calculating machine that is used to compute tables of numbers.
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Herman Hollerith designed a punch card system to calculate the 1880 census,
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first computer without gears, cams, belts or shafts.
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Atanasoff and his graduate student, Clifford Berry, design a computer that can solve 29 equations simultaneously.
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build the Electronic Numerical Integrator and Calculator (ENIAC). Considered the grandfather of digital computers, it fills a 20 foot by 40 foot room and has 18,000 vacuum tubes.
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Mauchly and Presper build the UNIVAC, the first commercial computer for business and government applications.
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Grace Hopper develops the first computer language.
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The FORTRAN programming language is born.
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ack Kilby and Robert Noyce unveil the integrated circuit, known as the computer chip.
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mouse and a graphical user interface.
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first Dynamic Access Memory (DRAM) chip.
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Alan Shugart leads a team of IBM engineers who invent the “floppy disk,” allowing data to be shared among computers.
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obert Metcalfe, a member of the research staff for Xerox, develops Ethernet for connecting multiple computers and other hardware.
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A number of personal computers hit the market, including Scelbi & Mark-8 Altair, IBM 5100, RadioShack’s TRS-80—affectionately known as the “Trash 80,” and the Commodore PET.
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The IBM 5100 becomes the first commercially available portable computer.
