They are computerbased and you will be given a personal laptop that you get to keep after the test
Or then again they may just be written ones and all the applicants are supposed to bring their own paper and pens which you then have to submit to the company after the tests, we need pens!
Seriously, read the thread. Everything is given all the way down to the exact searchwords, all you have to do is to copy/paste them in to the searchfield...