(Solved) : Packed Bcd Format Simple Decimal Digit Replaced Nibble Represents Binary Example 709 Repre Q37708238 . . . .

The (packed) BCD format is simple: each decimal digit isreplaced by the nibble that represents in binary. For example 709is represented by 011100001001. In particular, in BCD, ann-decimal-digit requires 4n bits. By contrast, in DPD ann-decimal-digit requires no more than 10(n div 3) + 4(n mod 3)bits. So, for example, a 7-decimal-digit integer requires 28 bitsin BCD but only 24 in DPD.

How DPD works is summarised by its inventor, Mike Cowlishaw, onthis web page: http:speleotrove.com/decimal/DPDecimal.html . (Thereis also a Wikipedia page devoted to DPD but it uses conflictingnotation to the Cowlishaw page, so, for this question, it should beavoided.) Read