Q. A half adder circuit can add__ bits at a time

A
2
B
3
C
4
D
1
Solution:

A half adder circuit can add 2 bits at a time. Half Adder is a combinational logic circuit which is designed by connecting one EX-OR gate and one AND gate. The half adder circuit has two inputs: A and B, which add two input digits and generates a carry and a sum.

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