Question: 5)Construct a BCD adder using the 4-bit binary full adders In a binary coded decimal (BCD) system, 4 bits are used to represent a decimal

5)Construct a BCD adder using the 4-bit binary full adders In

5)Construct a BCD adder using the 4-bit binary full adders In a binary coded decimal (BCD) system, 4 bits are used to represent a decimal digit from 0 to 9. For example, Decimal - 37 is written as BCD- 0011 0111. . Since each decimal digit cannot exceed 9, the maximum BCD sum can be 19 9 9 + l(Carry in) .Write down the formula clearly Draw the Logic/Circuit Diagram. Draw the entire Truth-table (20 rows- each for sum 0-19) and showing the outputs. The truth-table would have the normal binary sum obtained by adder (max 19) as the input (5 bits - 1 carry and 4 adder outputs) and would produce the corresponding BCD sum as the output (5 bits)

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