Hi Learners! I hope you are having a productive Day. Welcome from the Team of The Engineering Projects . The digital logic circuit that we are learning today is 4-Bit Full Adder. In our previous tutorial, we designed 2-Bit Full Adder using Logic Gates in Proteus software. Today, we are going to design & simulate 4-Bit Full Adder using Logic Gates in Proteus. We will discuss the following topics in today's lecture: What is Adder? What is Full Adder? Working Principle of 4-bit Full Adder. Simulation of four-bit full Adder in Proteus ISIS. What is Adder? Let's recall the Adder Definition from our previous lectures: Adders are Digital Logical Circuits, specially designed to add two or more binary numbers or bits. In the world of electronics, adders are used to add bits. The computer system dep ...