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| Q. |
3 bits full adder contains |
| A. | 3 combinational inputs |
| B. | 4 combinational inputs |
| C. | 6 combinational inputs |
| D. | 8 combinational inputs |
| Answer» D. 8 combinational inputs | |
| Explanation: full adder is a combinational circuit with 3 input bits and 2 output bits carry and sum. three bits full adder requires 23 = 8 combinational circuits. | |
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