A network is a set of interconnected computers that can communicate by sharing data and resources regardless of the physical location of the various devices. Through a network can execute processes on another computer or access your files, send messages, share programs.
Computers are often connected by cables. But if the network covers a wide region, the connections can be made via telephone lines, microwave, fiber optic lines and even satellites.
Each active device connected to the network is called a node. An active device is one that intervenes in communication autonomously, without being controlled by another device. For example, certain printers are autonomous and can provide service on a network without connecting to a computer that handles; these printers are network nodes.
Computers are often connected by cables. But if the network covers a wide region, the connections can be made via telephone lines, microwave, fiber optic lines and even satellites.
Each active device connected to the network is called a node. An active device is one that intervenes in communication autonomously, without being controlled by another device. For example, certain printers are autonomous and can provide service on a network without connecting to a computer that handles; these printers are network nodes.
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