Teachers load additional software as needed.
This type of network is a system where all computers can access resources on all other computers when given permission to do so. All computers in this type of network work in the same way. A web browser is software that retrieves specially formatted text and graphics from other computers and displays the information on the PC's screen. Another communications tool that the network provides is e-mail. E-mail has become the principal means of communication in many institutions, and is a very fast and efficient way to exchange information between people around the world.