Nine revolutionary algorithms that power our computers and smartphones
Every day, we use our computers to perform remarkable feats. A simple web search picks out a handful of relevant needles from the world’s biggest haystack. Uploading a photo to Facebook transmits millions of pieces of information over numerous error-prone network links, yet somehow a perfect copy of the photo arrives intact. Without even knowing it, we use public-key cryptography to transmit secret information like credit card numbers, and we use digital signatures to verify the identity of the websites we visit. How do our computers perform these tasks with such ease? John Mac Cormick answers this question in language anyone can understand, using vivid examples to explain the fundamental tricks behind nine computer algorithms that power our PCs, tablets, and smartphones.
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John Mac Cormick is associate professor of computer science at Dickinson College and a leading teacher, researcher, and writer in his field. His books include
What Can Be Computed? A Practical Guide to the Theory of Computation (Princeton).
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