in mathematics, positional numeral system employing 2 as the base and so requiring only two different symbols for its digits, 0 and 1, instead of the ... [6 related articles]
A numbering system used in computers consisting of only 1's and 0's. 
System of numbers to base two, using combinations of the digits 1 and 0. Codes based on binary numbers are used to represent instructions and data in all modern digital computers, the values of the binary digits (contracted to `bits`) being stored or transmitted as, for example, open/cl...