Conversions and addition of binary numbers

Are these manual conversion methods same for all programming languages, like, python, c++, java, etc.? Also, these methods are not explained properly because in the 6th lecture of Number Systems, Sir is doing a conversion of decimal to binary, but it was not taught in the previous lectures. Also, the addition of binary numbers is not taught. So, please tell that, are all these things same for different languages like python, c++ and all?

@saijaltripathy_e79096f8f1ec20e3 if some minor topics are not taught in the lectures than sorry for the inconvenience you can do that from youtube. and yes all the conversions are same in java,python etc because conversion is not the concept of any programming language.

Ok, thank you very much.

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