Contents

Digital Electronics
Number Systems
Logic Gates
Boolean Algebra
Combinational Circuits
Sequential Circuits
Memory & PLDs
Digital System Design
Other Topics
Other Subjects
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2 of 23 articles

Full Adder

Three input adder, carry in, truth table, implementation.

Darshan N
Updated: 19 March 2026
6 min read

Full Adder Quiz

Test your understanding of full adder truth tables, Boolean expressions, and carry logic.

Question 1 of 3

Q1.For a full adder with A=1, B=1, Cin=1, what are the Sum and Cout outputs?