Raspberry PI: Twenty-Five Dollar Computer

Portable computing has come a long way since the Compaq computer my mother used to lug around with her back and forth from work — I distinctly remember trying to lift it as a child and struggling. I believe that my mother told me at the time that it weighed nearly thirty pounds. Still it was impressive to me — that you could take a whole computer with you wherever you wanted from room to room and just plug it in and use it! As time has gone on smaller and smaller computers have come about — the smart phones of today are more clever than some of the biggest computers of twenty and thirty years ago.

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