Difference between Half Adder and Full Adder

Half adder

•          It is used for two 1-bit additions.
•         Require one Ex-OR gate and one AND gate to build it.
•         Output of Half adder is summation of two signals.
•         Circuit is simple.
•         It has two input pins and two output pins.
•         We cannot use it as a Full adder.

 

Full adder

•         It is used for two multi -bit addition.
•         Require two Ex-OR gate , two AND gate and one OR gate to build it.
•         Output of Full adder is summation of three signals.
•         Circuit is complicated.
•         It has Three input pins and two output pins.
•         We can use it as a half adder.
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