Computer networks

Networking refers to the inter connection of various devices to share their resources. A network is a group of devices connected with one another. Cable networks, television  networks are examples of networks.

A network ties things together. When we create a network of different devices, it is called networking.

COMPUTER NETWORK

A computer network is a collection of computers and peripheral devices connected by each other through communications links.

in order to establish a computer network, we need at least two or more than two computer and some other devices. these devices are interconnected using a communication medium such as a wire.

CREATING A COMPUTER NETWORK

A network can be of any size. for example, a small network can be created by connecting two computers for sharing files.

A network can connect millions of computers to exchange information all over the world. the internet is the world’s largest computer network

When you connect your computer to a network using a cable or other communication media, you become a network user and computer becomes a work station on the network.

NETWORK BENIFITS

Many computer and individual have discovered that there are several benefits of connecting computer together. Network can benefit the user by increasing productivity, lowering the cost and much more.

Eare of access

The network stores most of the information on a central computer. Storing information on one or two central computers makes it easy for people to work with and manage their files

Work from home

The network has dedicated computers that allows people to connect to the company’s network using modems.

once users are connected to the network, they can work with any data available on the network.

Sharing resources

Computer connected to a network can share equipment and devices including printer and hard drives. These equipment and devices are called resources.

Iincrease productivity

Using computers connected to a network, people can exchange information with one another. When employees can easily access and exchange information , they can work more efficiently.

TYPES OF NETWORK

there are various types of computer networks. generally the following types used:

personal area network

The personal area network is a computer network used for communication among various electronics devices such as pc and mobile phone in a close proximity.

Local area network

A local area network is the most common type of network. A LAN connects computers and devices located close to one another, such as in one building.

Campus area network

A campus area network is a computer network made of inter connection of two or more LANs within a limited area.

Metropolitian area network

A metropolitan area network is also called collection of LANs. Metropolitan area network connects computer located in the same graphical area such as city of town.

Wide area network