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The bridge is a networking device that connects the larger telephone,computer What is a computer network?-A form of communication network—moves information-Nodes are general-purpose computers Why study computer networks?-Many nodes are general-purpose computers - You can program the nodes-Very easy to innovate and develop new uses of network-Contrast: Old PSTN – all logic is in the core Networks • What is a network? - A system of lines/channels that interconnect - E. Computer Networks. An Introduction to Computer Networks Release 2. A computer network is an interconnection of multiple devices that send and receive data to each other using network protocols. Basics of Computer Networking. Its primary purpose is to provide a set of structural guidelines for exch Learn how the internet works in this complete computer networking course. 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