e composed of two insulated wires twisted together and run as a unit. They may be shielded with a wire mesh; this is typical for network installations where it is critical that data transmissions move without outside interference. Coax, short for coaxial cable, offers greater bandwidth and transmission capacity than traditional copper cable, and is used to transfer audio, video and communications. Cable and satellite television signals are brought to the television sets via coax cable ("Coaxial Cable," 2005).
Fiber optic cable presents a much faster alternative to copper cable in that hollow cables are used to send pulses of light. Since data can travel at the speed of light, it moves more quickly than data passing through copper cable. Fiber cable cannot be coiled tightly since it is more sensitive to damage than copper cable, and it is generally used in environments that are relatively stable in terms of temperature and oth
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