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Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a...

Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices fundamentals of data communication and networking pdf established using either cable media or wireless media.


The best-known computer network is the Internet. Data Communication and Computer Network. This tutorial has been prepared for the computer science graduates to help them understand the basic to advanced concepts related to Data Communication and Computer Networking. After completing this tutorial you will find yourself at a moderate level of expertise in Data Communication and Computer Networking from where you can take yourself to next levels.

Before you start proceeding with this tutorial, I’m making an assumption that you are already aware about basic computer concepts like what is keyboard, mouse, monitor, input, output, primary memory and secondary memory etc. If you are not well aware of these concepts then I will suggest to go through our short tutorial on Computer Fundamentals. Data Communication, some of the resources in this section can be viewed online and some of them can be downloaded. Network Programming by Katta G.

A Technical Tutorial on the IEEE 802. A computer network, or data network, is a digital telecommunications network which allows nodes to share resources. In computer networks, networked computing devices exchange data with each other using a data link. The connections between nodes are established using either cable media or wireless media.

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