Definition/Meaning | Word/Phrase |
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positional system of numeration that uses binary digits and a radix of two | binary number system , binary numeration system , binary system , pure binary numeration system |

positional system of numeration that uses duodecimal digits and a radix of twelve | duodecimal number system , duodecimal system |

average number of binary digits needed to express one radix digit in a numeration system that is not binary; on the average a number that can be expressed in N decimal digits takes 3.3N binary digits | equivalent-binary-digit factor |

radix numeration system in which the location of the decimal point is fixed by convention | fixed-point notation , fixed-point representation system |

radix numeration system in which the location of the decimal point is indicated by an exponent of the radix; in the floating-point representation system, 0.0012 is represented as 0.12-2 where -2 is the exponent | floating-point notation , floating-point representation system |

positional system of numeration that uses hexadecimal digits and a radix of sixteen | hexadecimal number system , hexadecimal system , sexadecimal number system |

positional system of numeration that uses octal digits and a radix of eight | octal number system , octal numeration system |

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