(Any corner of the main campus of xx University, as long as there is a laptop or PDA, you can freely surf the Internet wirelessly. Huang Dawu, director of the Computing Core of Peking University, believes: "Peking University is using computer technology, network technology, and communication technology to comprehensively digitize all information resources such as school and teaching and scientific research, and build the school into a virtual university that transcends time and space. ")