Which of the following statements are true?I. A circuit that adds two bits, producing a sum bit and a carry bit is called half adder.II. A circuit that adds two bits, producing a sum bit and a carry bit is called full adder.III. A circuit that adds two bits and a carry bit producing a sum bit and a carry bit is called full adder.IV. A device that accepts the value of a Boolean variable as input and produces its complement is called an inverter.

• A. I u0026 II
• B. II u0026 III
• C. I, II, III
• D. I, III u0026 IV