When searching for "uchebniki" (textbooks) and "lekcii" (lectures) in Russian, you will typically find coverage of these core areas:
: This official portal provides interactive electronic textbooks (1000+) that can be accessed through their site or mobile app, though some may require activation codes. Common Content in Informatics Materials
: Reviews of PC components, operating systems, and application software.
Many reputable platforms provide access to digital versions of textbooks and specialized scientific literature.