I have the same experience a bit varied, I'm majoring in embedded systems and almost everyone uses pen and paper.
Then I took some Law-courses and there i felt like most used laptops (and the laptops they used weren't any good, the noise of 30 "clicky" keyboards gets really annoying).
I also feel that its a lot easier and smoother to write notes on paper, You can really structure your notes how you want without clicking everywhere.