The top node of a tree is the [ ]; a node with no children is a [ ].
The top node of a tree is the parent; a node with no children is a leaf.
The top node of a tree is the root; a node with no children is a leaf.
The top node of a tree is the leaf; a node with no children is a root.
The top node of a tree is the root; a node with no children is a branch.
Flashcards for AQA A Level Computer Science Tree-traversal, covering the key terms and definitions you need to recall. 22 cards, matched to the AQA A Level Computer Science (7517) specification.