TERMIUM Plus®

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BINARY-CODED DECIMAL SYSTEM [1 record]

Record 1 2012-01-31

English

Subject field(s)
  • Computer Mathematics
DEF

A number representation system in which each digit of a decimal number is represented by a binary number.

Key term(s)
  • binary coded decimal system

French

Domaine(s)
  • Mathématiques informatiques
OBS

Le mode de représentation BCD (Binary Coded Decimal = Décimal Codé Binaire) est fondé sur un principe simple : on doit coder les dix chiffres décimaux de 0 à 9, ce qui exige l'utilisation de 4 bits. (Trois bits ne permettraient de coder que 2³ combinaisons. Quatre bits permettent de coder 16 combinaisons. On utilise donc quatre bits pour coder les dix chiffres du système décimal).

Spanish

Campo(s) temático(s)
  • Matemáticas para computación
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