Packed BCD | Unpacked BCD | ?
Packed BCD :
The BCD number is represented with 4 bit per decimal digit.
Example: (9)_𝐷 in packed BCD is 1001
(87)_𝐷 in packed BCD is 1000 0111
Un-Packed BCD :
The BCD number is represented with 8 bit per decimal digit.
Example : (9)_𝐷 in Unpacked BCD is 0000 1001
(87)_𝐷 in Unpacked BCD is 0000 1000 0000 0111