Introduction of computer network: Computer network means to connect multiple computer system with each other through physical medium (Cable or Wire) or wireless medium and this architecture is known as “Computer Network“.
In traditional laptop networks, unmarried laptop machine, notebook, and servers are related one after the other through Ethernet and different cables. But now, develop technologies are released in marketplace in which to make connection between multiple factors through wireless technology.
Need of Computer Network
Now nowadays, Due to the diverse importance of laptop networks, we are getting greater need for Computer community.
Importance of Computer Networks
Data Sharing
With the help of Computer networking, every person can access all statistics from the network with none boundation of area. For example – in case you are doing any workplace work at your private home consisting of filling tax files, and equal time your boss can acquire your record at the vacation spot location without going bodily to your property.
Hardware Device Sharing
Computer community provides first rate flexibility including more than one computer systems can proportion the equal hardware devices (printer, plotter, Fax system, and extra). No need, to feature a separate plotter with every laptop device, and other applications of computer network as well.
Program Sharing
Multiple applications may be shared at the network, and it permits the usage of purchaser/server packages.
User Interaction
Networks permit all users to make conversation with the assist of various modes including Chat structures, electronic mail, newsgroups in addition to video conferencing and so forth.
Remotely Games
Many extraordinary community games are to be had inside the market due to the fact the ones games may be performed from different region.
VoIP
VoIP stands for “Voice over Internet Protocol”, and it lets in making smartphone calls with the help of IP (Voice over Internet Protocol) as opposed to using PSTN.
Data Security
On the community, all users can get admission to all of your facts from offsite and on-line server, so it is able to be extra harmful. To defend all facts from intruders, all companies use the FIREWALL, and working of hub in networking as well.
Basic Components of Computer Network
There are five primary components at the same time as using in transmission of laptop network; which includes –
Message: It is uncooked cloth like as statistics or records which are required for transmission from one tool to different community gadgets over the entire community.
Sender: Sender is the hardware gadgets that push the facts to different linked gadgets over the computer community.
Receiver: Receiver is vacation spot device that is need facts from different community tool over the community.
Transmission Medium: We need a medium for moving information from one tool to other devices like as wires, cables, radio waves and many others.
Protocol: Protocol is a collection of regulations which can be dedicated via both edges (sender and receiver), due to the fact without the use of protocol two or multiple tool may be related with each different however they may be now not capable to make communiqué.