WHAT IS COMPUTER NETWORK?
When two or more computers are connected along with the target of communicating with one another and sharing their resources then they form a computer network.
For example, when sales executives of a corporation work together to sell the merchandise of the corporate they form the company’s sales network.
To form a computer network and establish coordination among the computers of the network ,certain hardware and software elements have to be present within the network.
NEED FOR NETWORKING
Following are the necessities that lead for networking:-
1) File sharing: during a computing environment, there often arises a necessity to share the files among many users. this will not be worn out standalone mode. Railway reservation application is that the most convincing file sharing requirement. These application and reservation facilities that we all are enjoying nowadays would never get existence.
2)Resource sharing:-Large disk storage, printers, heavy input-output devices are generally costly than networking , devices available on the network is shared among all the users and every one in every of them may they’re connected to the systems.
3)Fast communication:-Fast and reliable communication is that the fundamental requirement of any business completive environment. Since transferring document and letter through normal methods takes an excessive amount of time but network users can easily exchange documents and data within no time.
4)Data Backup:-Backing up data on individual machines is both time consuming and unreliable .But if you’ve got the rear up system installed on the network server can easily do the method and provides the reliable results.
BASIC COMPONENTS OF NETWORK
COMMON varieties of NETWORKS
1)Local Area Networks (LAN)
2)Wide Area Networks(WAN)
1)Local Area Network
Local area networks are the networks that spread within a brief distance of a kilometer or to a building or campus.It is short range network.
2)Wide Area Networka
Wide area networks are the networks during which computers are touch an extended distances.
It is wide selection networks could either be in numerous countries ,cities or localities.