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  1. Basically all things we currently define as computers. One must go back to before the space program (that is before the age of computers) for a time when one might define a computer as being someone or thing that performs computations.

    Strictly speaking, back then digital computing would be counting on one’s fingers. Today it means using an electronic device that uses binary as a language for performing complex calculations and executing them according to programming. Cell phones, tablets, laptops, and PCs are all digital computers.

    What’s confusing is the fact that we still call fingers digits, even though digits also means numbers. The word digital became commonly associated with clocks way back in the 70s, when the flip-type number display clock was commonplace. It was soon replaced by the LCD, and later LED type displays used in calculators. That led to the word digital being applied to all computer-based technology (although not as a consequence, but because data is numbers and the word was already in the public consciousness). Ergo ‘digital computer’. Digital as opposed to analog (not digital).

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