One hot encoding? (Digital design)

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Fear58

Joined Jan 11, 2010
9
Hey all,
I'm relatively new to digital design. We are reviewing Finite state machines and today I just heard the term one-hot encoding. What is the deal with "encoding" a FSM and what is one-hot encoding? I'm doing worksheets and I have a 4 state fsm, and one of the problems is "find an optimized circuit implement usind D FF's, NAND gates, inverters. Any idea on how to translate an FSM into this?

Thanks!
 
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