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Reserved for a specific use. In communications, a dedicated channel is a line reserved exclusively for one type of communication. This is the same as a leased line or private line.

A dedicated server is a single computer in a network reserved for serving the needs of the network. For example, some networks require that one computer be set aside to manage communications between all the other computers. A dedicated server could also be a computer that manages printer resources. Note, however, that not all servers are dedicated. In some networks, it is possible for a computer to act as a server and perform other functions as well.

The opposite of dedicated is general purpose.

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