Half adder and Full adder
What you will learn here about half adder and full adder
- Half Adder
- Half adder truth table
- Half adder circuit
- Full Adder
- Full adder truth table
- Full adder using 2 half adder
The combinational circuit that performs the addition of two bits is called Half Adder. The addition of 0 + 0 = 0, 0 + 1 = 1, 1 + 0 = 1, 1 + 1 = 10 (where 1 is carry and 0 is sum).
Half adder truth table
The truth table of Half Adder is shown below.
Half adder circuit
The implementation of the Half adder circuit is shown below.
The combinational circuit that performs the addition of three bits is called Full Adder.
Full adder truth table
The truth table of the Full adder is shown below.
Full adder using 2 half adder
The implementation of full adder using two half adder is shown below