References: Unit 3 — Applications of Boolean Algebra

1. Adder (electronics) — Wikipedia — Comprehensive coverage of half adders, full adders, and ripple carry adders including circuit diagrams and propagation delay analysis. Foundation for understanding arithmetic circuit design.
2. Subtractor — Wikipedia — Detailed explanation of half subtractors and full subtractors with truth tables and circuit implementations. Covers the relationship between addition and subtraction using complement arithmetic.
3. Seven-segment display — Wikipedia — Overview of seven-segment displays including segment naming conventions and BCD decoder design. Practical application of combinational logic for human-readable output.
4. Digital Design: Principles and Practices (5th Edition) — John F. Wakerly — Pearson — Chapter 5 covers combinational circuit design including adders, comparators, and code converters with systematic design methodology.
5. Digital Logic and Computer Design — M. Morris Mano — Pearson — Chapter 4 provides comprehensive coverage of combinational logic applications with design examples for arithmetic circuits and decoders.
6. Binary Adder Tutorial — Electronics Tutorials — Step-by-step guide to half adder and full adder design with interactive diagrams showing signal flow and carry propagation.
7. Ripple Carry Adder — GeeksforGeeks — Detailed explanation of multi-bit adder construction by cascading full adders, including timing analysis and limitations.
8. Binary Subtractor — Electronics Tutorials — Tutorial on subtractor circuits and adder-subtractor design using two's complement with control signal implementation.
9. Comparator Circuit Design — All About Circuits — Guide to magnitude comparator design for multi-bit binary numbers with cascading techniques for larger comparisons.
10. BCD to Seven Segment Decoder — Electronics Tutorials — Practical guide to designing BCD decoders for seven-segment displays including truth table derivation and K-map simplification.