The book "Construction and study of discrete logic schemes used in the creation of noise-resistant codecs (multiplication and division schemes)", written by a team of authors, is a unique study in the field of digital electronics and coding theory. This work will be of interest to both information technology professionals and students seeking to deepen their knowledge in modern data processing techniques and communication systems. The book examines the key aspects of designing and analyzing discrete logic circuits that play an important role in creating noise-resistant codecs. The authors immerse the reader in the world of digital logic, where each scheme becomes not just a set of elements, but a whole system capable of resisting external interference and ensuring the reliability of information transmission. In this context, special attention is paid to multiplication and division schemes, which are fundamental for many signal processing algorithms. The book begins with the foundations of the theory of discrete logic, which makes it available to readers with different levels of training. Gradually, the authors delve into more complex topics, such as the construction of noise-resistant codecs, which allows the reader not only to understand how these systems work, but also to learn how to design them. Each chapter is filled with examples and practical tasks, which makes the learning process interactive and exciting. This book will be especially useful for technical students, graduate students and young professionals working in the field of telecommunications, computer engineering and information technology. It will be an excellent addition to training courses in digital electronics and coding theory. In addition, professionals involved in the development of communication and data processing systems will find in it a lot of useful information that will help them in solving practical problems. The topics raised in the book cover a wide range of issues related to the reliability of data transmission, which is especially relevant in the era of digitalization and the growth of information volume. The authors emphasize the importance of immunity in modern communication systems, which makes the book relevant and in demand. Readers will be able to learn about the latest achievements in the field of coding, as well as the application of theoretical knowledge in practice. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. In addition, the collective approach to writing a book provides a variety of points of view and methods, which makes the material more multifaceted and interesting. Among other well-known works of the authors are works on information theory and signal processing systems, which also deserve attention. If you are looking for literature that will help you understand the intricacies of digital logic and noise-resistant coding, then this book will become your reliable assistant. It will not only enrich your knowledge, but also inspire new ideas and projects. Do not miss the opportunity to immerse yourself in the world of discrete logic and discover new horizons in the field of information technology!