A thin client is a computer or client software which depends on a central server for processing activities and mainly focuses on conveying input and output between the user and remote server. In contrast a fat client does as much of the processing as possible and passes only data for communcations and storage to the server. Many thin client dvices run only remote desktop sotwrae meaning all significant processing occurs on a centralised properly managed server. The thin client is a PC with less of everything. In designing a computer system, there are decisions to be made about processing, storage, software and user-interface. With the reality of reliable high-speed networking, it is possible to change the location of any of these with respect to the others. By simplifying the load on the thin client, a thin client can be a very small, low-powered device giving lower costs to purchase and to operate per-seat. The server, or a cluster of servers has the full weight of all the applications, services and data. By keeping a few servers busy and many thin clients lightly loaded we can expect easier system management, and lower costs as well as all the advantages of networked computing: central storage/backup and easier security. Because the thin client is relatively passive and low-maintenance, but numerous, the entire system is simpler and easier to install and to operate. As the cost of hardware plunges and the cost of employing a technician, buying energy and disposing of waste rises, the advantages of thin clients grow. From the user's perspective the interaction is with monitor, keyboard and pointer changes little from using a thick client.
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Thin Client Networks 
