“binary-coded decimal”的概念、定义、翻译、参考文献-科学参考

binary-coded decimal

Computer

A code in which a string of binary digits represents a decimal digit. In the natural binary-coded decimal (NBCD) system, each decimal digit 0 through 9 is represented by the string of four bits whose binary numerical value is equivalent to the decimal digit. For example, 3 is represented by 0011 and 9 is represented by 1001. The NBCD code is the 8421 code such that the weighted sum of the bits in a codeword is equal to the coded decimal digit. See also EBCDIC, packed decimal.

Electronics and Electrical Engineering

A number representation in which 4 bits encode a single decimal digit and the 4-bit unit is the smallest allowed piece of information. For example,
$4_{10} = 0100_{B C D}, 10_{10} = 0001 0000_{B C D}, 25_{10} = 0010 0110_{B C D}$

单词	binary-coded decimal
释义	binary-coded decimal Computer A code in which a string of binary digits represents a decimal digit. In the natural binary-coded decimal (NBCD) system, each decimal digit 0 through 9 is represented by the string of four bits whose binary numerical value is equivalent to the decimal digit. For example, 3 is represented by 0011 and 9 is represented by 1001. The NBCD code is the 8421 code such that the weighted sum of the bits in a codeword is equal to the coded decimal digit. See also EBCDIC, packed decimal. Electronics and Electrical Engineering A number representation in which 4 bits encode a single decimal digit and the 4-bit unit is the smallest allowed piece of information. For example, $4_{10} = 0100_{B C D}, 10_{10} = 0001 0000_{B C D}, 25_{10} = 0010 0110_{B C D}$
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