1. Digital Number Systems, 2. Boolean Algebra, 3. Logic Gates, 4. Digital Integrated Circuits, 5. Combinational Circuits, 6. Latches and Flip-Flops, 7. Registers and Counters, 8. Semiconductor Memories, 9. Programmable Logic Devices, 10. Synchronous Sequential Circuits, 11. Asynchronous Sequential Circuits, 12. Algorithmic State Machine (ASM) Charts, 13. Hazard and Fault Detection for undergraduate students and will also serve as a reference text for PG students.