Studying abroad is unforgettable!
Regardless if you do a classic exchange semester via ERASMUS or travel by your own (freemover), if you do an internship in another country or if you write your thesis abroad: You will benefit from this experience long after starting a job.
At the computer science faculty you have all these options: exchange semester, internship, and writing your thesis abroad. But the extent of support by the university and procedures differ significantly.