Question: A combinational circuit has four inputs (A, B, C, D) and four outputs (W, X, Y, Z). WXYZ represents an excess-3 coded number whose value

A combinational circuit has four inputs (A, B, C, D) and four outputs (W, X, Y, Z). WXYZ represents an excess-3 coded number whose value equals the number of 1’s at the input. For example, if ABCD = 1101, WXYZ = 0110. (a) Find the minterm expansions for X, Y, and Z. (b) Find the maxterm expansions for Y and Z.

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