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MCQ

In order to get the information stored in a Binary Search Tree in the descending order, one should traverse it in which of the following order?

left, root, right

root, left, right

right, root, left

right, left, root

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MCQ

The pre-order and post order traversal of a Binary Tree generates the same output. The tree can have maximum

Three nodes

Two nodes

One node

Any number of nodes

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MCQ

Consider the following nested representation of binary trees indicates y and z are the left right subtrees, respectively, of node x. Note that y and z may be NULL or further nested. Which of the following represents a valid binary tree?

(1(234)(567)

(1 2(4 5 6 7))

(1(2 3 NULL)(4 5))

1((2 3 NULL)4 5 6)7)

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MCQ

A binary tree in which if all its levels except possibly the last, have the maximum number of nodes and all the nodes at the last level appear as far left as possible, is called

Threaded tree

Full binary tree

Binary Search Tree

Complete binary tree

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MCQ

The number of unused pointers in a complete binary tree of depth 5 is:

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MCQ

The property of binary tree is

The first subset is called left subtree

The second subtree is called right subtree

The root cannot contain NULL

The right subtree can be empty

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Abstract data types

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Lists

Stacks

Queues

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Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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