The addition of multi-bit numbers can be performed using several full adders, the sum of two 4-bit numbers can be done using 4-full adders. Mr. Raj Kumar Thenua will explain Truth Table, Logic Symbol and Circuit Diagram of Binary Parallel Adder. Complete Digital Electronics Tutorial: http://www.learnbywatch.com/learn/digital-electronics/ Subscribe to our channel: https://www.youtube.com/channel/UC0LiPVG7hhY9pXfyQ98CGxg?sub_confirmation=1 Follow us on Facebook: http://www.fb.com/learnywatch