Topic: Digital Electronics
How many inputs and outputs does a full adder have?
- A. 3, 2
- B. 3, 3
- C. 2, 3
- D. 2, 2
Answer: A. 3, 2
Explanation: A full adder is a combinational logic circuit that performs the addition of three bits. It has 3 inputs (typically denoted as $A$, $B$, and $C_{in}$) and 2 outputs (Sum $S$ and Carry Out $C_{out}$).