A system containing any combination of computers, computer terminals, printers, audio or visual display devices, or telephones interconnected by telecommunications equipment or cables: used to transmit or receive information. (Random House Unabridged Dictionary, 2d ed)
Education, Distance -- trends : Enhancing learning with online resources, social networking, and digital libraries / [edited by] Robert E. Belford, John W. Moore, Harry E. Pence ; sponsored by the ACS Division of Chemical Education