The primary type of cabling used by the cable television industry and widely used for computer networks, it is more expensive than standard telephone wires but less susceptible to interference and more capable of carrying data. Chances are, your cable TV is connected with "coaxial cable." Copper cable is used in both twisted-pair and coaxial cable, and to date, it has been the most common telecommunications cable. However, it is unable to carry as much bandwidth as fiber-optic cable.
NetLingo Classification: Net Hardware