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16 Cards in this Set
- Front
- Back
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Attenuation
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is the loss of power in a signal.
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Bandwidth
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is the amount of data that can be transferred in a certain time period.
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broadband
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In broadband data transmission, multiple pieces of data are sent simultaneously to increase the transmission rate.
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centralized processing system
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all processing is done at one central computer.
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Communication media
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connect sender and receiver devices.
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Conducted media
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provide a physical path along which signals are transmitted
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Data communication
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is the electronic transfer of data from one location to another.
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Narrowband
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is a voice–grade transmission channel.
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Protocols
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are rules that govern data communication.
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modem
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A modem is a device that connects a user to the Internet.
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Digital subscriber line (DSL)
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is a high–speed service that uses ordinary phone lines.
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Radiated media
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use an antenna for transmitting data.
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decentralized processing
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each user, department, or division has its own computer for performing processing tasks.
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Distributed processing
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maintains centralized control and decentralizes operations
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Open Systems Interconnection (OSI) model
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a seven–layer architecture for defining how data is transmitted in a network.
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Convergence
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refers to integrating voice, video, and data so that multimedia information can be used for decision making
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