Networking

Introduction

A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.
 
Routing is the process of forwarding IP packets from one network to another. A router is a device that joins networks together and routes traffic between them. A router will have at least two network cards (NICs), one physically connected to one network and the other physically connected to another network

Uses

  • Users can share devices such as printers, scanners, CD-ROM drives, hard drives etc. Without computer networks, device sharing is not possible.
  • Applications can be shared over the network, and this allows to implement client/server applications
  • Networks allow users to communicate using e-mail, newsgroups, and video conferencing etc.
  • A lot of network games are available, which allow multi-users to play from different locations

Frequently Asked Questions

Need for Computer Networking. Computer networks help users on the network to share the resources and in communication. … The following are the important uses and benefits of a computer network. File sharing: Networking of computers helps the network users to share data files.
A local area network (LAN) connects your company’s computers, allowing them to share and exchange a variety of information. While one computer can be useful on its own, several networked computers can be much more useful. … With a network, several computers can share the same printer.

Sharing devices such as printers saves money. Site (software) licences are likely to be cheaper than buying several standalone licences. Files can easily be shared between users. Network users can communicate by email and instant messenger.

The Importance of Computer Networks. Information and communication are two of the most important strategic issues for the success of every enterprise. … Computer networks allow the user to access remote programs and remote databases either of the same organization or from other enterprises or public sources.

Applications of Computer Networks. A network is a collection or set of computing devices connected to one another to establish communication and also share available resources. A network will comprise of software and hardware devices. … They help us to transfer data from one point to another within the network.

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