What is a Computer Network
Computer Network is a computer network system. Which represents a connection between two or more computers together with cables. Or other Enable computers to transmit data to each other. Where there is a connection between multiple computers. Machine to a large central computer. We call that central host computer (Host) and a small computer connected to the client (Client / Terminal).
Network (Network) to link computers together to communicate. We can deliver information within Or across the city to the other side of the world. The information Can be either text, pictures, sounds, causing inconvenience. Easy to use This capability makes these computer networks are important. And the need to operate in different industry.
There are three forms of network looks like.
1. LAN (Local Area Network)?, A group of computers connected together in a limited space. For example, within an office building, or in the factory. Cables are used to communicate.
2. MAN (Metropolitan Area Network)? Was bringing many LAN-LAN with adjacent areas are connected, to a larger size. Such interconnected in Or in the provinces,
3.WAN (Wide Area Network)?, A group of computers connected by a space. May be in the country or in the country to use a LAN or a MAN is in a different area? Connected together at the New York offices connected with the London communications. May use the telephone line, until the satellite.
- There may be another type of SAN (Small Area Network)?, A group of computers connected together in a very small space. May be in the home or to the office with a small number of computers should not exceed 10.
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