Digital Systems Design by Ramaswamy Palaniappan

digital-system-designThe aim of this book is to provide readers with a fundamental understanding of digital system concepts such as logic gates for combinatorial logic circuit design and higher level logic elements such as counters and multiplexers. First year undergraduates taking a course in computer science or engineering (and related disciplines like information technology) are the main target audience. Foundation year students and those taking pre-university courses (like ‘A’ levels) will also benefit from the book. The author wrote “I have tried to follow a simple approach in writing the text. Mathematics is used only where necessary.” There are plenty of illustrations to aid the reader in understanding the concepts. I hope I have done justice in discussing all the necessary fundamentals related to digital systems in this one volume. But by doing so, I had to skip advanced concepts such as computer hardware and programming and the interested reader can refer to advanced texts after mastering the basic concepts presented in this book.


The readers will read Number system Basics, Decimal Numbers, Other Number systems – binary, Octal and Hexadecimal, Conversion between different number systems, Other number codes, Introduction to Logic Gates, AND gate, OR gate, NOT gate, AND implementation with OR gate and vice versa, NAND gate, NOR gate, Integrated circuits, Combinatorial Logic Circuits, Logic circuit simplification, Boolean algebra, DeMorgan’s theorem, More examples, XOR and XNOR gates, Karnaugh Maps, Sum of products, Product of sums, K-maps, Bistable Multivibrator Circuits, S-R flip-flop, J-K flip-flop, D flip-flop, T flip-flop, Monostable and astable multivibrators, Arithmetic Circuits, Half adder, Full adder, Parallel adder, Parallel subtraction, Coders and Multiplexers, Encoder, Decoder, Multiplexer, De-multiplexer, Counters, Asynchronous up-counter, Asynchronous down-counter, Asynchronous counters with incomplete cycles, Synchronous counters and much more in this book.

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