Binary-coded decimal: Difference between revisions

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=={{anchor|Unpacked BCD|NBCD|8421|8-4-2-1}}Background==
BCD takes advantage of the fact that any one decimal numeral can be represented by a four-bit pattern. The mostAn obvious way of encoding digits is ''Natural BCD'' (NBCD), where each decimal digit is represented by its corresponding four-bit binary value, as shown in the following table. This is also called "8421" encoding.
 
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