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เนื้อหาย่อ : I students in computer science, computer engineering, and electri- This book is intended as an introductory logic design book for cal engineering. It has no prerequisites, although the maturity attained through an introduction to engineering course or a first pro- gramming course would be helpful. The book stresses fundamentals. It teaches through a large number of examples. The philosophy of the author is that the only way to learn logic design is to do a large number of design problems. Thus, in addi- tion to the numerous examples in the body of the text, each chapter has a of Solved Problems, that is, problems and their solutions, a large set Exercises (with answers to selected exercises in Appendix B), and a Chapter Test (with answers in Appendix C). In addition, there are a set of laboratory experiments that tie the theory to the real world. Appendix A rovides the background to do these experiments with a standard hard- are laboratory (chips, switches, lights, and wires), a breadboard simu- tor (for the PC or Macintosh), and two schematic capture tools. The course can be taught without the laboratory, but the student will benefit ignificantly from the addition of 8 to 10 selected experiments. Although computer-aided tools are widely used for the design of ge systems, the student must first understand the basics. The basics ovide more than enough material for a first course. The schematic cap- e laboratory exercises and a section on Hardware Design Languages Chapter 8 provide some material for a transition to a second course ed on one of the computer-aided tool sets. Chapter 1 gives a brief overview of number systems as it applies to material of this book. (Those students who have studied this in an lier course can skip to Section 1.2.) It then discusses the steps in the ign process for combinational systems and the development of truth Chapter 2 introduces switching algebra and the implementation of switching functions using common gates-AND, OR, NOT, NAND, NOR, Exclusive-OR, and Exclusive-NOR. We are only concerned with logic behavior of the gates, not the electronic implementation. Chapter 3 deals with simplification using the Karnaugh map. It pro- vides methods for solving problems (up to six variables) with both single multiple outputs. Chapter 4 introduces two algorithmic methods for solving combi- national problems--the Quine-McCluskey method and Iterated Con- sensus. Both provide all of the prime implicants of a function or set of