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The textbook is compiled in accordance with the current programme «Steps to Informatics» and the textbook by O. V. Korshunova for the 2nd grade of secondary schools. The content of the textbook is focused on forming in second-graders initial ideas about the basic concepts of computer science; consolidation of the studied material; development of attention, algorithmic and logical thinking, and creative abilities.

Each lesson in the workbook contains tasks for applying the acquired knowledge, logical tasks, and creative tasks. The system of tasks is designed taking into account the age characteristics of students.

It is intended for students of the 2nd grade of secondary schools, primary school teachers and teachers of computer science.