It's mostly for students with issues that puts them at a bigger disadvantage to those that are "normal" when writing with a pen. Learning difficulties and motor function issues and differences alike. I used a word processor in exams towards the end of college due to learning difficulties and a subconscious grip that would ache my hand with overuse of a pen that slowed me down compared to others by a lot.

The article says that the Ministry has suggested students use other programs, so it sounds like it's just something students often use rather than something that's actually required. I've not been in school for a long time, but I am doing a distance learning course and when I had to submit some written stuff I definitely found it more comfortable to type it up in an actual word processor than the web platform that only showed about a paragraph at a time, so I did that and then copied it to the web platform.

Both middle school and high school in Denmark are required to use computers for Danish, English, German etc exams. It’s used for essays and other tests. It’s been like this since the early 2000.