Digital Electronics & Logic Design Full Course (2025) – Boolean Algebra, Logic Gates, K-Maps & Circuits - Full Subtractor Explained with Truth Table & Circuit Diagram |4-Bit Ripple Borrow Subtractor Example

Learn Full Subtractor in Digital Electronics with simple explanation, truth table, circuit diagram, and practical example. In this video, we explain how a Full Subtractor works with 3 inputs (A, B, Borrow-in), and how it differs from a Half Subtractor. We also cover Borrow-out concept and show how multiple Full Subtractors are connected to design a 4-bit Ripple Borrow Subtractor for binary subtraction. This tutorial is perfect for Computer Science (CS), IT, and Electronics students studying Boolean Algebra, Logic Gates, and Digital Circuits in their college syllabus. 👉 Topics Covered: Full Subtractor basics Truth table & logic equations Difference vs Borrow outputs Borrow-in and Borrow-out explained Full Subtractor circuit diagram 4-bit Ripple Subtractor example 📚 Related Videos: Half Subtractor - https://www.youtube.com/watch?v=l0GyIQuZfTI 📚 Full Digital Electronics & Boolean Algebra Course : https://www.youtube.com/watch?v=NqPhPiSer30&list=PLIY8eNdw5tW-yJHsxApeilNjX2Dkll-Ox Support Simple Snippets by Donations - Google Pay UPI ID - tanmaysakpal11@okicici PayPal - paypal.me/tanmaysakpal11 ✅ Subscribe for more Digital Electronics tutorials: https://www.youtube.com/simplesnippets 👍 Like & Share this video with your friends 💬 Comment your doubts below – I reply to everyone! 0:00 Introduction & Recap 01:24 Full Subtractor Theory 04:39 Truth Table of Full Subtractor 09:23 K-Map of Full Subtractor Output Expressions 17:15 Circuit Diagram of Full Subtractor 20:58 4-bit Ripple Borrow Subtractor Example 28:49 Summary & Conclusion #fullsubtractor #DigitalElectronics #SimpleSnippets #LogicGates #ComputerScience #EngineeringMaths #GateExam #UGCNET #ElectronicsEngineering