binary number
Zero-one counting system
A binary number is a number expressed in base-2, using only the digits 0 and 1.
Each position represents a power of two rather than ten, so 101 in binary equals five in decimal.
Binary is the native language of digital computers, where each digit corresponds to an on/off electrical state.
- ones and zerosBinary digits
- zeroNumerical absence of quantity
- byteDigital information unit
- digitSingle numeric character
- bitSmall amount or portion
base two · radix · transistor · logic gate · one · computer code · code · ASCII · machine language · machine readable · digital logic · place value · power of two · nibble · data · octal · computing · integer
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