The computer is one of the most complex machines ever devised and most of us only ever interact with its simplest features. For each keystroke and web-click, thousands of instructions must be communicated in diverse machine languages and millions of calculations computed.
Mark Hill knows more about the inner workings of computer hardware than most. As Amdahl Professor of Computer Science at the University of Wisconsin, he studies the way computers transform 0s and 1s into social networks or eBay purchases, following the chain reaction from personal computer to processor to network hub to cloud and back again.
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