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The textbook by Antonov O. P. is compiled in accordance with the current computer science programme for students in grades 2 and 4 of secondary schools.

The visual form of presentation of the material and the convenient structure of the manual will help students to systematise knowledge about the basic concepts of computer science; to form initial skills in working with computers; to develop algorithmic and logical thinking.

Designed for primary school students and teachers, teachers of computer science.