Data Communications

Data Communications - Chapter5...

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Chapter 5 Data Communications and Networking
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 Objective  What communication is, and why roles of  sender and receiver important  What a communication channel is, and how it  permits electronic communication  What a network is, and what network  configurations are in use   How a network connection is established, and  what hardware is required to form a network
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A collection of computers electronically  connected so that data (and sometimes  programs) may be shared over a distance. Communication Network
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ses of Computer Communication Internet Newsgroup s Blogs Wikis Instant  Messaging Email Web Chat  Rooms RSS Fax  Machine Wireless  Messaging Web  Folders FTP VoIP Video  Conferencin g
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Communication media is an  electronic highway  that transports data. Individual  bundles of data are called  Communication channel uses  media  and  other devices to  transport data  between  computers . channel
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Communication Model
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Basic Communication  Model
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Bandwidth Think of bandwidth as a measure of how  much traffic   a road can carry at one time. Measured in: bps
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Data Communications - Chapter5...

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