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| The communication of information by electronic means, usually over some distance. |
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| A set of rules and procedures that govern transmission between the components in a network. |
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| continuous waveform that passes through a communications medium; used for voice communications. |
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| Adiscrete waveform that transmits data coded into two discrete tates as I-bits and 0-bis, which are represented as on-off electricl pulses; used for data communications. |
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| Adevice for translating digital signals into analog signals and vice vera. |
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| The links by which data or voice are transmitted between sending and receiving devics in a net-work. |
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| A transmission medium consisting of pairs of twisted copper wires; used to transmit analog phone conversations but can be used for data transmission. |
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| A transmission medium consisting of thickly insulated copper wire; can transmit large volumes of data guickly. |
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| A fas, light, and durale transmission medium consisting of thin strands o clear glass fiber bound into cables. Data are transmittted as light pulses. |
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| Part of a network handling the major traffic and providing the primary path or traffic flowing to or from other networks. |
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| High-speed networking technologies for transmitting data in the form of light pulses. |
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| The transmission of data usig orbiting satellites that serve as relay stations for tansmitting microwave signals over very long distances. |
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| Wireless phoe with voice, text, and internet capabilities. |
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| A change in signal from positive to negative or vice versa that is used as a measure of transmission speed. |
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| The capacity of a communication chnnel as measured by the difference between the highest and lowest frequencies that can be transmitted by that channel. |
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| A special purpose computer dedicated to managing communications for the host computer in a network. |
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| A specialized computer that supervises communications traffic between the CPU and the peripheral devices in a telecommunications system. |
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| A device that enables a single communications channel to carry data transmissions from multiple sourcs simultaneously. |
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| The way in which the components of a network are connected. |
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| A network topology in which all computers and other devices are connected to a central host computer. All communications between network devices must pass through the host computer. |
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| Network topology linking a number of computers by a single circuit with all messages broadcast to the entire network. |
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| A network topology in whic all computers are linked by a closed loop in a manner that passes data in one direction from one computer to another. |
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| A telecommunications network that requires its own dedicated channels and that enompasses a limited distance, usually one building or several buildings in close proximity. |
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| A communications processor that connects dissimilar networks by providing the translation from one set f protocols to another. |
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| Device that forwards packets of data from one LAN or WAN to another |
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| network operating system (NOS) |
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Definition
| Special software that routes and manages communications on the network and coordinates network resources. |
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| Standard for wireless personal area networks that can transmit up to 720 Kbps within a 10-meter area. |
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| Telecommunicationns network that spans a large geographical distance. May consist of a variety of cable, satellite, and microwave technologies. |
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| Telephone lines that a person can access from a terminal to transmit data to another computer, the call being routed or switched through paths to the designated destination. |
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| Telephone lines that are continuously available for transmission by a lessee. Typically conditioned to transmit data at high speeds for high-volume applications. |
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| Technology that breaks blocks of data into fixed bundles and routes them in the most economical way through any available communicatoins channel. |
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| Modem designated to operate over cable TV lines to provide high-speed access to the Web or corporate intranets. |
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| A system for digitizing a spoken message and transmitting it over a network. |
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| electronic data interchange (EDI) |
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Definition
| The direct computer-to-computer exchange between two organizations of standard business transaction documents. |
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