Definitions for "Binary number system"
A base-2 number system using binary digits (0 and 1). Used for internal computer representation.
In our everyday lives we use a decimal numbering system containing 10 digits, 0 through 9. Computers use a binary numbering system which contains only 2 numbers, 0 and 1, called binary digits or bits.
a positional system of numeration that uses binary digits and a radix of 2