Writing a computer based exam has been a major challenges in the continent like Africa Because students still writes exams in the old Traditional way of paper and pen.
Several schools like Covenant University, Unilorin has started using the CBT way of writing exams and recently JAMB(Joint Admission Matriculation Board) advised students to be learned in the way of using computers to write exams.
Currently Jamb uses CBT to test the knowledge of students in the country to gain admission into the Tertiary institution.
Below is a video of how to use CBT:
In the video above this user explain basically the few steps on how to take the exams at the accredited CBT centers in Nigeria.
Many CBT centers complains about power shortage
Many CBT centers complains about not having enough computers to conduct the exams.