How do CRCs work

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=izG7qT0EpBw

CRC (cyclic redundancy check) is one of the most common methods of error detection. It uses some interesting mathematical tricks to guarantee that it can catch certain kinds of errors. How does it work? • Support these videos on Patreon: / beneater or https://eater.net/support for other ways to support. • 00:00 - Detecting errors with modulo division • 10:51 - Message data as a polynomial • 16:41 - Finite fields • 22:57 - Polynomial division • 31:04 - Sending and verifying CRC • 36:29 - Choosing a generator polynomial • ------------------ • Social media: • Website: https://www.eater.net • Twitter: / ben_eater • Patreon: / beneater • Reddit: / beneater • Special thanks to these supporters for making this video possible: • Ben Dyson • Ben Kamens • Ben Williams • Brandon Stranzl • Christopher Blackmon • Debilu Krastas • Eric Dynowski • Gonzalo Belascuen • Greg Stratton • Jay Binks • Jayne Gabriele • Johnathan Roatch • Jordan Scales • Manne Moquist • Michael • Nicholas Moresco • Nick Wrightsman • Randy True • Ric Allinson • Sachin Chitale • SonOfSofaman

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