Yes you need laptop, the reason is because you cannot always depend on the computer lab of the university because it's not open 24/7, students need their laptop to do their assignments, for communications and for entertainment. Without laptop student's will have hard time. All most everything is done with laptops when you are studying assignments and preparing for presentations. Even the lecture notes are in online, where students are required to print them before they come to class. Lecturers communicate from online with students, to tell them if the class is canceled or even when the lecturers needs to give other information. It is also not sage for students to go to internet cafe to use their computers at night.