Understanding Logic Gates

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BINARY CODE
Logic gates are digital circuits and they utilize a binary numbering system known as binary code. Binary code is the same language used by computers which use only 1 or 0 as numbers.

People use a base 10 numbering system, ones, tens, hundreds, etc. Example: 1,2,3,4,5,6,7,8,9,and 0. Once we get to zero, we expand to the tens place: 10, 11, etc.