We know knowledge, education learning no end, as per govt education systems, different classes syllabus, so here changes, new subjects, issues adding happens in the syllabus books. Which works in teaching sectors somebody not updates their knowledge, don’t know syllabus related higher classes subjects.
Sometimes students wish to knows perfect knowledge, explanation, proof, practicals, projects of education. So internet, white board – projector based digital classes most powerful, clarity education, teaching happens.
Different countries encouraging digital classes, creates digital class rooms under govt in the govt schools, colleges,..
Competition happening for best education digital classes between govt and private. We could not writes more all of the things, many issues you are observing via news media, TV media, again YouTube videos. So example we here provides just 1 YouTube video link about digital classes