Network

Computer network is more than one computer connected to share resources.
and Types of computer network from configuration perspective of two types peer to peer and server based network

A network is a group of two or more computer systems linked together. The common types of computer networks known, including:

1. Local-area networks (LANs) : The computers are geographically close together (that is, in the same building).

2. Wide-area networks (WANs) : The computers are farther apart and are connected by telephone lines or radio waves.

3. Campus-area networks (CANs): The computers are within a limited geographic area, such as a campus or military base.

4. Metropolitan-area networks MANs): A data network designed for a town or city.

5. Home-area networks (HANs): A network contained within a users home that connects a persons digital devices.

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Computer networks means more than one computers are connected together to share the data between them.

There are following network Types

1 Local Area Network(LAN)--Computer network between 2 Buildings Locally
2. Metropolitan Network(MAN)--Between Two Cities
3. Wide Area Network(WAN)--Between Two Countries
4. Personal Area Network(PAN)-Between Two Your Personal Computers(Ex: Desktop and Laptop

Network is a joining of two or more computer or networking devices through wire or wireless network in order to share resources like hardware and software.