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Their first product was the HP 200A Audio Oscillator, which rapidly becomes a popular piece of test equipment for engineers.
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Conceived by Harvard professor Howard Aiken, and designed and built by IBM, the Harvard Mark-1 was a room-sized, relay-based calculator.
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the first practical stored-program computer, at Cambridge University
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Spinning at 12,500 rpm, the 650´s magnetic data-storage drum allowed much faster access to stored material than drum memory machines.
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The first commercially successful minicomputer. The PDP-8 sold for $18,000, one-fifth the price of a small IBM 360 mainframe.
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the first work station with a built-in mouse for input
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the first successful mouse-driven computer with a graphic user interface, with a single $1.5 million commercial during the 1984 Super Bowl