text: what is server?   its a computer which offers services to client computers. modern computer networks uses mainly client-server type of architecture ie there will be some server as well as clients in the network.the numbers of servers will be very less when compared to the number of client computers.                                          the server will be having large processing power,high speed and larger memory capacity when compared to the clients. they will be taking the load of larger applications.the clients are at the receiving end ie receiving services from the server.                                          the name of a server can change depending upon its functions.it can be a mail server( eg yahoo,hotmail ), a domain controller,a web server , dns server and so on.                                        the performance of any network will be dependent on its servers