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BCD

801 bytes added, 12:37, 14 January 2014
Created page with 'Category:Computer Architecture ''Binary coded decimal'' is a binary representation of decimal numbers where each nibble (4 bits) in a word represents…'
[[Category:Computer Architecture]]
''Binary coded decimal'' is a binary representation of decimal numbers where each [[Word#Nibble|nibble]] (4 bits) in a [[Word|word]] represents a separate decimal digit.

For example, in BCD, the value 128 is represented in a 32-bit value as:

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ''Binary coded decimal'' is a binary representation of decimal numbers where each [[Word#Nibble|nibble]] (4 bits) in a [[Word|word]] represents a separate decimal digit.

For example, in BCD, the value 128 is represented in a 16-bit value as:

Binary: 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0

Decimal: 0 1 2 8

(Note that, in basic binary integer representation, which is the value 296).

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