Question: Design a combinational circuit with 4-bit BCD input A, B, C, D that produces an output Y, Z that is equal to the input in
Design a combinational circuit with 4-bit BCD input A, B, C, D that produces an output Y, Z that is equal to the input in bi For example, 9 (1001) + 6 (0110) = 15 (111). The outputs for invalid codes are cares Draw the truth table for this circuit. For each output bit W, X, Y, Z, please write its corresponding optimized Boolean function in terms of A, B, C, and D
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