binary number(redirected from Binary numeral system)
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Related to Binary numeral system: Decimal numeral system
a number in base 2 represented by 0s and 1s. For example, the number 2 in the decimal form is written as 10 in the binary form, the decimal number 3 is written as 11, the decimal number 4 is written as 100 in the binary form, and so on.