Share Resources from one computer to another
Create files and store them in one computer, access those
files from the other computer(s) connected over the network
Connect a printer, scanner, or a fax machine to one computer within the network and let other computers of the network use the machines available over network.
What is a Computer Network?
A computer network is a system in which multiple computers are connected to each other to share resources.
Characteristics of a computer network
Following is the list of hardware's required to setup a computer network.
Network cables are used to connect computers.
The central body to which other computers, printers, scanners etc. can be connected is called distributor. Devices that belong to this category are Switch, Router and so on. In networking, distributors are used to subnetting large networks into segments.
A router is a type of device which acts as the central point among computers and other devices that are part of a network. A router is equipped with ports and computers and other devices are connected to a router using network cables. Now-a-days router comes in wireless modes using which computers can be connected without any physical cable.
Network card is a necessary component of a computer without which a computer cannot be connected over a network. It is also known as network adapter or Network Interface Card (NIC). Most branded computers have network card pre-installed.