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The textbook is compiled in accordance with the current curriculum and taking into account the concept of the textbook for the 3rd grade of secondary schools «Computer Science» (author O. V. Korshunova). The content of the textbook is focused on the formation of the basic concepts of computer science in third-graders; consolidation of the studied material; development of attention, algorithmic and logical thinking, and creative abilities.

The workbook contains a colourful tab "Travelling the Internet", which includes rules for safe work on the Internet, as well as links to interesting, useful and safe sites.

The textbook is accompanied by an electronic supplement, which is available at interactive.ranok.com.ua

It is intended for 3rd grade students of secondary schools, primary school teachers and teachers of computer science.