Encyclopedia > Root node

Article Content

Root node

A root node is the top node in a tree data structure. (Yes, the root is at the top. Trees grow downward in Computer science.) All data in a tree can be accessed through the root node. In some trees, the root node has special properties (like being allowed a greater or smaller than normal number of child nodes).

See: leaf node

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Thomas a Kempis

... or superstitions are confined to several passages, viz., the merit of good works and transubstantiation (iv. 2), purgatory (iv. 9), and the worship of saints (i. 13, ...