Sharing Internet Access: within a computer network learners are able to access the internet at once. Speed: Using a network is a faster way for sharing and transferring files. Without a network, files are shared by replicating them to a floppy disk. Cost: Networkable versions of many popular software programmes are available at significant savings compared to buying individual licensed copies. It also allows easier upgrading of the program. Security: Files and programmes on a network are more secure as the users do not have to worry about unlawful copying of programmes. PINs can be applied for specific directories to restrict access to unauthorized users.