Question: You are to design a 4-bit Excess-8 to 2's complement converter. For example, 0010excess-8 represents the value -6, and hence its corresponding 2's complement

You are to design a 4-bit Excess-8 to 2's complement converter. For

You are to design a 4-bit Excess-8 to 2's complement converter. For example, 0010excess-8 represents the value -6, and hence its corresponding 2's complement representation is 10102's. The converter takes in a 4-bit Excess-8 representation ABCD and outputs a 4-bit 2's complement representation WXYZ. Suppose you are given only a 4-bit parallel adder and no other logic gate. Implement the converter using this parallel adder. Some of the inputs have lled in for you, as shown below. Complete the diagram below. Note that the Cout is not used. Decimal Excess 8 -8 0000 -7 0001 -6 0010 -5 0011 -4 0100 D -3 0101 -2 0110 X3 X2 X1 Xo Y3 Y2 Y, Yo -1 0111 1000 Cout 4-bit par adder Cin 1 1001 S3 S2 S1 So 2 1010 3 1011 4 1100 1101 6. 1110 7 1111

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