Book «No174 Software and hardware of computer science: course of lectures» by Andreyev O. In. and Kozharinova A. C. It is a fascinating and deep dive into the world of computer science, covering both theoretical and practical aspects of software and hardware. This publication will become an indispensable assistant for students, graduate students and anyone interested in modern technologies and their application in various fields. In this book, the authors offer the reader a systematic course of lectures that covers a wide range of topics related to computer science. They examine in detail both software and hardware components, explaining their interaction and significance in modern information systems. The reader will be able to learn about the principles of computers, computer architecture, operating systems, as well as programming and software development. Each topic is presented with clear examples and illustrations, which makes the material accessible and understandable even for those who are just starting their way in computer science. This book will be of interest not only to students of technical specialties, but also to anyone who wants to expand their knowledge in the field of information technology. If you are fond of programming, system administration, or just want to better understand how modern computer systems work, then “Software and hardware computer science” will be a real discovery for you. It is suitable for both young and more mature readers seeking to update their knowledge or learn new skills. The topics raised in the book are relevant and important in the context of the rapid development of technology. The authors focus on key aspects, such as data security, software optimization and new trends in hardware. These questions are becoming increasingly important in our digital world, and understanding their basics will help readers not only in their studies, but also in their professional activities. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to assimilate even the most complex concepts. Andreev O. In. by A. C. experienced teachers and researchers who know how to interest the audience and make the material fascinating. Their previous work has also received recognition in academia, and this book will not be an exception. Readers familiar with their other works will appreciate the consistency and logic of the presentation, as well as attention to detail. The book 174 Software and hardware of computer science: a course of lectures is not just a textbook, but a whole world of knowledge that opens doors to the exciting world of computer science. It will become a reliable companion for those who want to be one step ahead in their career, as well as for all who are striving for self-development and the development of new technologies. Do not miss the opportunity to plunge into this fascinating area and discover new horizons with Andreev and Kozharin!