Local Area Network (LAN) is the number of computers that are linked together in a specific area that is not so broad, as in an office or building. Broadly speaking there are two types of network or LAN, the network Peer to Peer and Client-Server network.
In the peer to peer network, each computer connected to the network can act both as a workstation or server. While on the Client-Server network, only one computer that serves as a server and other computers acting as workstations. Between the two types of networks each have advantages and disadvantages, where each will be explained.
The characteristics of computer networks:
1. share hardware (hardware).
2. sharing software (software).
3. shared communication channels (internet).
4. share data easily.
5. facilitate communication among network users
LAN is composed of several basic elements that include hardware and software components, namely:
1. Physical components
Personal Computer (PC), Network Interface Card (NIC), cable, network topology.
2. Software components
Network Operating System, Network Adapter Driver, Network Protocols.
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