Question

What are nodes?
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Answer 1

a node (Latin nodus, 'knot') is either a redistribution point or a communication endpoint. ... A physical network node is an electronic device that is attached to a network, and is capable of creating, receiving, or transmitting information over a communications channel.

Answer 2

Explanation:

A node is a basic unit of a data structure, such as a linked list or tree data structure. Nodes contain data and also may link to other nodes. Links between nodes are often implemented by pointers.