Server Computer

The server is a computer system that provides a specific kind of service in a computer network. Server powered by a processor that is scalable and large RAM, is also equipped with a special operating system, which is referred to as a network operating system. The server also runs the administrative software that controls access to the network and the resources contained therein, as well as files or printers, and provide access to the work station network members. Generally, in the server operating system there are various services that use the architecture client / server. Examples of these services is the Dynamic Host Configuration Protocol, mail server, the server PTH, PTB servers, DNS servers, and so forth. Each server operating systems generally bundle these services, even though third parties can also create a separate service. Each service will respond to requests from clients. For example, a client PKHD will provide request to the server running the server service PKHD; when a client requires an IP address, the client will give the request to the server, the language understood by server PKHD, namely PKHD protocol itself. Examples of server operating system is Windows NT 3.51, and continued with Windows NT 4.0. Currently the system is quite popular is Windows 2000 Server and Windows Server 2003, then Sun Solaris, Unix, and GNU / Linux. The server is usually connected with clients with UTP cable and a network card. This network card is usually a PCI or ISA card. Judging from its function, the server can be categorized into several types, such as application servers, data servers and proxy servers. Server is a server application that is used to store a wide variety of applications that can be accessed by the client, the server the data itself is used for storing data used either directly or client data is processed by the application server. Proxy server is used to manage traffic on the network through a proxy arrangement. Lay people more familiar with the proxy server to connect client computers to the Internet. Server usability very much, for example for internet sites, science, or a data storage.