THE long passage that connects the two wings of IBM’s headquarters in Armonk gives a new meaning to the expression “a walk down memory lane”. From punch cards to magnetic tapes and disk drives to memory chips, every means of storing information since the advent of modern calculating machines is on display, either as an exhibit or as a photo. Other relics of computing can be found in the building, an hour’s drive north of New York City. Near the boardroom sits a desk-sized calculator with hundreds of knobs. Visitors can also wonder about a tangle of wires connected to a metal plate—an early form of software called a “control panel”.
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