There are two main modes for university exams:
Pen and paper-based exams are conducted physically at an examination hall or classroom, where students use pen and paper to take the exam. Several universities that conduct open-ended or subjective tests tend to use the pen and paper method.
Computer-based exams basically refer to online exams and are conducted using mobiles, computers, tablets, or other such devices. In this mode of examination, the questions are mostly served through an online database and the test takers may take from a designated exam center or from their homes.