What is mean by nodes?

1.	What is mean by nodes?
Answer» A knot, knob, protuberance or swelling. (astronomy) The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. Any system or device connected to a network is also called a node. For example, if a network connects a file server, five computers, and two printers, there are eight nodes on the network. Each device on the network has a network address, such as a MAC address, which uniquely identifies each device.

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