Question

Question 1: Design a combinational circuit that accepts a four-bit number (A,B,C,D) and generates an output which is equal to the sum of the binary numbers formed by the input (AB) and (CD). AB + CD = ?? Inputs Outputs A B C D x y z 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 1 1 0 1 1 0 1 0 0 0 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 1 1 1 0 0 1 0 0 0 0 1 0 1 0 0 1 0 1 1 1 0 1 0 1 0 0 1 0 1 1 1 0 1 1 1 0 0 0 1 1 1 1 0 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 1 1 0 x (A,B,C,D) = ?(7, 10, 11, 13, 14, 15) y (A,B,C,D) = ?(2, 3, 5, 6, 8, 9, 12, 15) z (A,B,C,D) = ?(1, 3, 4, 6, 9, 11, 12, 14)

          Question 1:
Design a combinational circuit that accepts a four-bit number (A,B,C,D) and generates an output which is equal to the sum of the binary numbers formed by the input (AB) and (CD).
AB + CD = ??
Inputs Outputs
A B C D x y z
0 0 0 0 0 0 0
0 0 0 1 0 0 1
0 0 1 0 0 1 0
0 0 1 1 0 1 1
0 1 0 0 0 0 1
0 1 0 1 0 1 0
0 1 1 0 0 1 1
0 1 1 1 1 0 0
1 0 0 0 0 1 0
1 0 0 1 0 1 1
1 0 1 0 1 0 0
1 0 1 1 1 0 1
1 1 0 0 0 1 1
1 1 0 1 1 0 0
1 1 1 0 1 0 1
1 1 1 1 1 1 0
x (A,B,C,D) = ?(7, 10, 11, 13, 14, 15)
y (A,B,C,D) = ?(2, 3, 5, 6, 8, 9, 12, 15)
z (A,B,C,D) = ?(1, 3, 4, 6, 9, 11, 12, 14)

Question 1:
Design a combinational circuit that accepts a four-bit number (A,B,C,D) and generates an output which is equal to the sum of the binary numbers formed by the input (AB) and (CD).
AB + CD = ??
Inputs Outputs
A B C D x y z
0 0 0 0 0 0 0
0 0 0 1 0 0 1
0 0 1 0 0 1 0
0 0 1 1 0 1 1
0 1 0 0 0 0 1
0 1 0 1 0 1 0
0 1 1 0 0 1 1
0 1 1 1 1 0 0
1 0 0 0 0 1 0
1 0 0 1 0 1 1
1 0 1 0 1 0 0
1 0 1 1 1 0 1
1 1 0 0 0 1 1
1 1 0 1 1 0 0
1 1 1 0 1 0 1
1 1 1 1 1 1 0
x (A,B,C,D) = ?(7, 10, 11, 13, 14, 15)
y (A,B,C,D) = ?(2, 3, 5, 6, 8, 9, 12, 15)
z (A,B,C,D) = ?(1, 3, 4, 6, 9, 11, 12, 14)

Added by Ahmed I.

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