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TUTORIALSPOINT COMPUTER NETWORKS PDF

Communication and Computer Networks. Prerequisites. Before proceeding with this tutorial, you need a basic understanding of Computer. You should know the. 13 Jul A computer network is a collection of computing devices that are connected with each other for the purpose of information and resource sharing. 5 Jun Computer Networks – Computer Networks – Computer Network Video Tutorial – Computer Network in simple and easy steps starting from basic.

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If you are not well aware of these concepts then I will suggest to go through our short tutorial on Computer Fundamentals. A computer network spanned inside a building and operated under single administrative system is generally termed as Local Area Network LAN. A computer can be connected to another one via a serial port but if we need to connect many computers netwoks produce a network, this serial connection will not work.

Because of shortage of address spaces, it is gradually migrating from IPv4 to IPv6. The most commonly used cable is Category 5 cable RJ This service enables its users to expand their Local Area Networks.

Most branded computers have network card pre-installed. LAN works under its own local domain and controlled centrally. Number of systems connected in LAN may vary from as least as two to as much as 16 million. Now-a-days router comes in wireless modes using which computers can be connected without any physical cable. It is the largest network in existence on this planet.

The physical connection between networked computing devices is established using either cable media or wireless media. As the name suggests,the Wide Area Network WAN covers a wide area which may span across provinces and even a whole country. Create files and store them in one computer, access those files from the other computer s connected over the network.

With the help of networking, it is very simple to share all formats of digital data from one computer system to another irrespective of their geographic location. Generally, telecommunication networks are Wide Area Network.

The different modes of communication are text chatting, video chatting, emails, etc. This tutorial has been prepared for the computer science graduates to help them understand the basic netwoorks advanced concepts related to Data Communication and Computer Networking.

Data Communication & Computer Network

Ethernet is most widely employed LAN technology and computee Star topology, while Token-ring is rarely seen. It is equipped with holes called ports. Internet enables its users to share and access enormous amount of information worldwide.

For example, Piconet is Bluetooth-enabled Personal Area Network which may contain up to 8 devices connected together in a master-slave fashion. Internet uses very high speed backbone of fiber optics.

Since they are equipped with very high speed backbone, WANs use very expensive network equipment. Motherboard has a slot for internal network card where it is to be inserted.

Computer Networks

The network commputer provides the facility to access databases located remotely. Networking technology has revolutionized the world and created a new arena for the overall development of every nation. The services of WAN are provided by public government agencies as well as private agencies.

It is normally used for a single business office or a residential apartment. With the help of networking, it has now become very simple to share the expensive resources including storage space, processor, fax, etc. It mostly operates on private IP addresses and does not involve heavy routing. External network cards are of two types: Computers automatically detect USB card and can install the drivers required to support the USB network card automatically. Through the networking system, it is easy to share and install the software from one computer system to another computer system.

In this section, we will discuss the different types of network. Network cards are of two types: Metro Ethernet is a service which is provided by ISPs. 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. The best-known computer network is the Internet. Backbone of MAN tutorialsloint high-capacity and high-speed fiber optics.