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.

Which of the following statements are true? I. A circuit that adds t

1.	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 & II
B.	Il & III
C.	I, II, lll
D.	I, III & IV
Answer» E.