Question: Shown below are (a) 1-bit ALU circuit and (b) 8-bit ALU made from stringing eight 1-bit ALUs together. In (b), INC line connects to the

Shown below are (a) 1-bit ALU circuit and (b) 8-bit ALU

made from stringing eight 1-bit ALUs together. In (b), INC line connects

to the carry-in of the least significant bit. In (b), INVA, ENA,

and ENB lines are also present, but they are not drawn in

the figure for brevity. Logical unt Carry in ENB Full Carry out

(a) 1-bit ALU 1-bit 1-bit ALU 1-bit ALU 1-bilt ALU 1-blt ALU

Shown below are (a) 1-bit ALU circuit and (b) 8-bit ALU made from stringing eight 1-bit ALUs together. In (b), INC line connects to the carry-in of the least significant bit. In (b), INVA, ENA, and ENB lines are also present, but they are not drawn in the figure for brevity. Logical unt Carry in ENB Full Carry out (a) 1-bit ALU 1-bit 1-bit ALU 1-bit ALU 1-bilt ALU 1-blt ALU 1-bit ALU 1-bit ALU 1-bit INC O4 Oo Carry Carry in out (b) 8-bit ALU Shown below are (a) 1-bit ALU circuit and (b) 8-bit ALU made from stringing eight 1-bit ALUs together. In (b), INC line connects to the carry-in of the least significant bit. In (b), INVA, ENA, and ENB lines are also present, but they are not drawn in the figure for brevity. Logical unt Carry in ENB Full Carry out (a) 1-bit ALU 1-bit 1-bit ALU 1-bit ALU 1-bilt ALU 1-blt ALU 1-bit ALU 1-bit ALU 1-bit INC O4 Oo Carry Carry in out (b) 8-bit ALU

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