Is notebook still understood as a notebook in English?

Google only has laptops

Yes, see also here: https://www.dict.cc/?s=notebook

Yes, yes, Norebook or Notepad. You might have to search paper notebook

Yes.👍

Yes; see: https://www.oxfordlearnersdictionaries.com/definition/english/notebook?q=notebook

There are said to be Germans who can no longer do with the word notebook. When I recently asked a lost property office whether a notebook had accidentally been handed over, I was asked what a notebook was and whether I meant a cell phone.

So whether you still know a notebook in English as a notebook could also be a question of age.