Informatics 9th Grade. Textbook

The textbook is part of the educational set for informatics for grades 7-9, which includes an author's program, textbooks, electronic applications, a methodological guide, workbooks, collections of tasks, and other components. The educational set can be used after an introductory... course in informatics in grades 5-6 or fully independently ensure the mastery of the mandatory informatics course in grades 7-9, supporting both basic (1 hour/week) and advanced (2 hours/week) models of study at the level of basic general education. The content of the textbook is structured along the lines of: "Modeling and Formalization", "Algorithmization and Programming", "Processing Numerical Information in Spreadsheets", "Communication Technologies". The theoretical material is supported by a detailed apparatus for organizing the assimilation of the studied material, aimed at achieving personal, meta-subject, and subject-specific educational outcomes for learners, ensuring the preparation of students for the state final certification in informatics in the form of the basic state exam (OGE). The principle of invariance to specific models of computers and software versions is maintained. Issues of information security are presented with informational support from the "Kaspersky Lab". It complies with the federal state educational standard for basic general education and the sample basic educational program for basic general education.