Question

4 4. Design a combinational circuit with three inputs x, y, and z and three outputs A, B, and C. When the binary input is 0, 1, 5, or 6, the binary output is one greater than the input. When the binary input is 2, 3, 4, or 7, the binary output is one less than the input. X Y Z ABC 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 A BC $A \times \overbrace{yz}^{BC}$ 00 01 11 10 0 1 B BC $A \times \overbrace{yz}^{BC}$ 00 01 11 10 0 1 C BC $A \times \overbrace{yz}^{BC}$ 00 01 11 10 0 1

          4
4. Design a combinational circuit with three inputs x, y, and z and three outputs
A, B, and C. When the binary input is 0, 1, 5, or 6, the binary output is one
greater than the input. When the binary input is 2, 3, 4, or 7, the binary output
is one less than the input.
X Y Z	ABC
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
A
BC
$A \times \overbrace{yz}^{BC}$
00	01	11	10
0
1
B
BC
$A \times \overbrace{yz}^{BC}$
00	01	11	10
0
1
C
BC
$A \times \overbrace{yz}^{BC}$
00	01	11	10
0
1

4
4. Design a combinational circuit with three inputs x, y, and z and three outputs
A, B, and C. When the binary input is 0, 1, 5, or 6, the binary output is one
greater than the input. When the binary input is 2, 3, 4, or 7, the binary output
is one less than the input.
X Y Z ABC
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
A
BC
A ×yz^BC
00 01 11 10
0
1
B
BC
A ×yz^BC
00 01 11 10
0
1
C
BC
A ×yz^BC
00 01 11 10
0
1

Added by Lisa G.

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