server
Sign in to savecomputer program or device that provides access to a central resource or other functionality for clients
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A server is a computer program or device that stores information and makes it available to other computers (called clients) that request it. Servers matter because they enable people to share files, access websites, use email, and use many other online services from their own devices.
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A computer network diagram of client computers communicating with a server computer via the Internet Wikimedia Foundation rackmount servers on racks in a data center The first WWW server is located at CERN with its original sticker that says: "This machine is a server. DO NOT POWER IT DOWN!!"
A server is a computer or software system that provides data, resources, or services to other computers called "clients" on a computer network. This architecture is called the client–server model. Servers can provide various functionalities, often called "services", such as sharing data or resources among multiple clients or performing computations for a client. A single server can serve multiple clients, and a single client can use multiple servers. A client process may run on the same device or may connect over a network to a server on a different device. Typical servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers.