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

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Fundamentals of Data Communications and Computer Networks: Terminology, Signals, and Encoding Techniques 1. Define basic Data Communications and C omputer Network T erminology. Data Communications alludes to the transmission of this advanced information between two or more PCs. A noteworthy issue with communications is guaranteeing that the collector gets the message sent by the transmitter. In every type of correspondence there are basic component s: 1. Transmitter (sender, source) 2. Receiver (destination) 3. Message to be communicated 4. Medium (how message is conveyed). Computer network is an interconnected accumu lation of independent Computers. A Computer network or data network is a telecommunications network that permits computers to trade information. The physical association between organized registering gadgets is built up utilizing either link media or remote media. The best - known computer network is the Internet. The objectives of a computer network include:  Resource sharing: projects (O.S., applications), information, hardware (printers, plates) are accessible 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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