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Fundamentals of Data Communications and Computer Networks: Terminology, Signals, and Encoding Techniques

Overview of key concepts in data communication and network systems.

Ethan Wilson
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Fundamentals of Data Communications and Computer Networks:Terminology, Signals, and Encoding Techniques1.Definebasic Data Communications and ComputerNetwork Terminology.Data Communicationsalludes to the transmission of this advanced information between two ormore PCs. A noteworthy issue with communications is guaranteeing that the collector gets themessage sent by the transmitter. In every type of correspondence there are basic components:1. Transmitter (sender, source)2. Receiver (destination)3. Message to be communicated4. Medium (how message is conveyed).Computer networkis an interconnected accumulation of independent Computers.A Computernetwork or data network is a telecommunications network that permits computers to tradeinformation. The physical association between organized registering gadgets is built up utilizingeither link media or remote media. The best-known computernetwork is the Internet.The objectives of a computer network include:Resource sharing: projects (O.S., applications), information, hardware (printers, plates) areaccessible to all clients of the system paying little heed to area.High reliability: By reproducing records on diverse machines and having extra containers,clients are more resistant from equipment/programming disappointment.

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