Yes all the engineering students may it be from computer science, mechanical, civil or electrical have same subjects for the first year of engineering. The subjects are general related to all field and having just the basics in it.
For studying them online, I guess subjects like mathematics, physics, and chemistry, you can just buy the books and keep reading and practising them and for the ones that you don't understand you can find the videos on YouTube accordingly searching for topics and watching the most recommended videos. The first year is comparatively easy as physics chemistry and maths is much of the one that we have studied in our 10+2.
Best wishes. Thank you.
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