The need for being connected

By Irum haroon

And

Mehwish

How servers is used

To share information with one and other computers,our computer must be connected to them.

We can do this in two steps.First we connect our computr to a very l;arge and powerful computer called server.

A server is uesd to store a lot of data and we can share the data,software,and hardware with other computers connected to the server.

Networks

A computer network is a network of computers and hard ware devices connected by wires.

Types of computer networksThere are three main types of networks

Local Area Network (LAN):

LAN connect computer in same building.

LAN are in my school’s computer lab.

Metropolitan Area Network (MAN) MAN combines two

or more LANs.it connect in different parts of city.

MANs are found in my quetta city

Wide Area Network (WAN)

WAN combines LAN and MANs.it connect computer in different cities.

Through MANs we connects with Karachi.

Why we need to be connected

We need to be connected. Because we can share information through out the world.

We can send pictures,

videos, text through internet.