Digital Functional Devices in Telecommunications . At 2 p.m.. H. 2: Elemental base of digital functional devices” by P. A. Capuro is a fascinating and deep dive into the world of modern technologies that underlie telecommunications systems. The second part of this work is a logical continuation of the first, and in it the author examines in detail the elemental base necessary for the creation and functioning of digital devices. This book will become an indispensable assistant for both students and professionals in the field of telecommunications, electronics and information technology. Capuro, known for his scientific works and practical experience, offers the reader a unique look at the elements that form the basis of digital functional devices. It not only lists the components, but also explains their purpose, principles of operation and interaction within complex systems. This makes the book especially valuable for those who want to not only understand how devices work, but also learn how to design and optimize them. The book may be of interest to a wide range of readers. Students of technical specialties, graduate students and young professionals seeking to deepen their knowledge in the field of telecommunications will find here a lot of useful information. It will also be useful for practicing engineers and developers who want to update their knowledge about modern technologies and elements used in digital devices. The topics raised in the book cover a wide range of issues, from the basics of design to the specifics of the work of various components, such as microprocessors, integrated circuits and other key elements. Capuro emphasizes the importance of choosing the right components to achieve high performance and reliability of systems. It also looks at current trends in the development of digital devices, making the book relevant and useful for understanding future trends in technology. The author's style is clear and accessible, which allows even complex technical aspects to be explained in simple language. Capuro skillfully combines theory with practical examples, which makes the material more understandable and applicable. His previous works, such as Fundamentals of Digital Electronics and Modern Telecommunications Systems, have also been recognized for their practical focus and accessibility. This book is not just a textbook, but a real find for anyone interested in digital technologies and their application in telecommunications. It raises important questions about the future of the industry, about how new technologies can change our perception of communication and information. By reading Digital Functional Devices in Telecommunications, you will not only gain knowledge but also inspiration for your own research and development. If you are looking for a book that will help you understand the complex world of digital technologies, expand your horizons and deepen your understanding of telecommunications systems, then the work of P. A. Capuro will be a great choice. Do not miss the opportunity to get acquainted with this work and discover new horizons in the field of digital functional devices!