The manual is devoted to the issues and prospects for the development of cybernetics, computer science and systems analysis, special emphasis is placed on still unresolved problems. The evolution of the picture of the world in connection with the development of science and technology, new methods of modeling complex systems, robotic systems, computer systems and networks, technology of virtual worlds are considered. The book relies on a universal modeling method - linguocombinatory modeling of weakly formalized systems. The textbook can be used in the training of specialists, bachelors and masters in the disciplines "History and methodology of the development of computer technology and computer science" and "Modern problems of computer science."