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27
Glossary
Coaxial cable (coax)
A type of wire that consists of a center wire surrounded by insulation and then a grounded shield of
braided wire. The shield minimizes electrical and radio frequency interference. The coaxial cable is
the primary type of cabling used by the cable television industry and is also widely used for
computer networks.
DOCSIS
The Data-Over-Cable Service Interface Specifications defines interface standards for cable
modems and supporting equipment.
Expansion slot
An opening in a computer where a circuit board can be inserted to add new capabilities to the
computer. Expansion slots for PCs come in half- and full-size. Half-size slots are also called 8-bit
slots, and full-size slots are called 16-bit slots. PCI expansions slots are always full-size and
connect directly to the PCI bus.
F-type connector
A connector used in the cable television industry that connects coaxial cable to equipment.
IP address
An identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP protocol
route messages based on the IP address of the destination.