Q. Visiting root node after visiting left and right sub-trees is called

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Q. In the deletion operation of max heap, the root is replaced by

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Q. All possible spanning trees of graph G

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Q. Binary search tree is an example of complete binary tree with special attributes.

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Q. Maximum number of nodes in a binary tree with height k, where root is height 0, is

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Q. In a min heap

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Q. Re-balancing of AVL tree costs

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Q. A binary search tree whose left subtree and right subtree differ in height by at most 1 unit is called ……

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Q. Herder node is used as sentinel in …..

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Q. In the …………….. traversal we process all of a vertex’s descendants before we move to an adjacent vertex.

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Q. The property of binary tree is

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Q. State true or false.

i) The degree of root node is always zero.

ii) Nodes that are not root and not leaf are called as internal nodes.

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Q. Any node is the path from the root to the node is called

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Q. State true of false.

i) A node is a parent if it has successor nodes.

ii) A node is child node if out degree is one.

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Q. …………………. Is a directed tree in which out degree of each node is less than or equal to two.

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Q. State true or false.

i) An empty tree is also a binary tree.

ii) In strictly binary tree, the out-degree of every node is either o or 2.

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Q. When inorder traversing a tree resulted E A C K F H D B G; the preorder traversal would return

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Q. A binary tree whose every node has either zero or two children is called

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Q. The depth of a complete binary tree is given by

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Q. When representing any algebraic expression E which uses only binary operations in a 2-tree,

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