The research investigates the systematicity of students' learning activity as a parameter of the student's model, as well as the influence of systematicity on learning outcomes in the course "Operating Systems." As a theoretical framework, the importance of equipping the student himself as the subject of the educational process with the abilities and proper pedagogical forecasting tools for independent choice of the right variation of educational activity is demonstrated. Model parameters in

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... h a pedagogical diagnostics system are proposed and analyzed. Empirical work has been completed on the basis of the learning management system Moodle and allows for the analysis of the association between students' timeliness in completing learning tasks and their educational achievements, as well as the structure of students' time planning at homework. Recommendations to improve the educational process have been suggested.