Wire World Of America 1800 - Manual (Page 138)

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F
Fiber Optics. Thin strands of ultrapure glass that can be used to carry light waves from one location to
another.
Filter. A device which transmits a specific frequency and stops all other frequencies.
Firewall. A security product that employs a combination of hardware and software to prevent
unauthorized users or traffic from the Internet from gaining access onto a private local area network
(LAN).
Frame Relay. A high-speed packet switching standard used in wide area networks (WANs), often to
connect local area networks (LANs) to each other, with a maximum bandwidth of 44.725 Megabits per
second.
Frequency. The rate at which an electromagnetic waveform (or electrical current) alternates, usually
measured in Hertz (Hz).
G
Gigabyte. 1,000,000,000 bytes, or 1,000 Megabytes. See Byte.
Graphical User Interface (GUI). A computer operating system that is based upon icons and visual
relationships rather than text. Windows and the Macintosh computer use a GUI.
GUI. See Graphical User Interface.
H
Hertz. See Frequency.
Home Networking. Connecting the different electronic devices in a household by way of a local area
network (LAN).
Home Phoneline Networking Alliance. An association of companies who are working on a standard for
home phoneline networking. HomePNA technology allows plug-and-play networking through the use of
existing telephone wiring.
HomePNA. See Home Phoneline Networking Alliance.
HomeRF. Also known as Home Radio Frequency Working Group. An industry specification for the
interaction of wireless digital communication between PCs and electronic devices in the home.
HTML. See Hypertext Markup Language.
HTTP. See Hypertext Transfer Protocol.
Hub. The point on a network where circuits are connected.
Hybrid Fiber/Coax (HFC). A type of network architecture that includes a combination of coaxial and
fiber cables to distribute signals to a group of individual locations (typically 500 or more).
Hypertext. Documents or other information with embedded links that enable a reader to access tangential
information at specific points in the text.