In the course of lectures in accordance with the requirements of the "State Educational Standard" the basic concepts of computer science as a natural science discipline are considered, a general characteristic of the process of collecting, processing, storing and transmitting information is given . Computer hardware and software analyzed. A description of the structure and functions of the personal computer. The textbook is intended for full-time and part-time students for individual study of the theoretical foundations of computer science in preparation for classes and passing the exam . On the course "Computer Science" for students studying in directions 032101. 65 FCiS, in the direction 032100 . 62 FC, 032103. 65 Recreation and Sports and Wellness Tourism, 100201. 65 "Tourism", 100200. 62 "Tourism", 080507 . 65 "Management of the organization", 040104. 65 "Organization of work with youth", 030301. 65 "Psychology", 080100. 62 "Economics", 030602. 65 "Public Relations", 032102. 65 "Physical culture for persons with disabilities in health (AFC)", on the course "Mathematics and Informatics" for students studying in the direction 050720. 65 "Physical Culture" .