Computer Science for IGCSE & O level - Boolean Logic (Section 10 - No. 45)

In the half adder circuit, what is the sum and carry when A=1 and B=1?

Sum = 0, Carry = 0

Sum = 0, Carry = 1

Sum = 1, Carry = 0

Sum = 1, Carry = 1

Refer to the half adder truth table.