computer network - (computer science) a network of computers

early warning system - a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them

information superhighway, superhighway - an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form

system - instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer"

electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices