So I taught how to count in binary numbers, and we worked some examples together. (edutopia.org)
Another circuit of 12 DNA - based logic gates calculates the square root of a four bit binary number using eight inputs. (scientificamerican.com)
The operation, known as equals, consists of comparing pairs of binary numbers, bit by bit, and recording whether each pair of digits is the same. (discovermagazine.com)