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The content of the manual meets the requirements of the curriculum of the elective compulsory course in computer science for students in grades 10 and 11 of secondary schools (standard level) and is aimed at studying the elective module «Mathematical foundations of computer science».

The manual consists of four sections and contains a description of the fundamental principles of computer science, without knowledge of which it is impossible to consciously understand the principles of operation of a computer and related software, as well as questions for testing knowledge and practical tasks for self-study, differentiated by levels of difficulty.

Intended for students of grades 10 and 11 of general secondary education institutions and teachers of computer science.