Number Systems, Base Conversions, and Computer Data ...
Another example: The same number in unpacked BCD (requires 32 bits) 00000101 00000110 00001001 00000011 5 6 9 3 The use of BCD to represent numbers isn’t as common as binary in most computer systems, as it is not as space efficient. In packed BCD, only 10 of the 16 possible bit patterns in each 4 bit unit are used.
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