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Introduction to Information Technology, 2nd Edition by ITL Limited ITL Education Solutions Limited

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Chapter 16

Data Communication and Computer Networks

 

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This chapter introduces the reader to data communication and computer network. Data communication is the exchange of data between two devices via some form of transmission medium. It is carried within a collection of computers, which are linked together to share information and resources. The discussion begins with an outlook on data communication and its components. It is continued with various transmission modes, transmission media, modulation, and switching techniques. In the later stages of the chapter, the reader is acquainted with different types of network and topologies. The chapter ...

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