What is a computer?
more than a hammer; less than a brain

We understand or define a technology in a number of ways. We might consider the tasks it performs, the tools or machines it replaces or how it works. All technologies can be defined in terms of some human activity or capability that they enhance. Here we look at a number of these criteria to help us think about what a computer is.

However, just as we are no longer in awe of the mechanics of the car, the radio or the television, eventually the question ‘what is a computer?’ will seem unnecessary.

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