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MCQ

Why we prefer threaded binary trees?

storage required by stack and queue is more

pointers in most of nodes of a binary tree are NULL

difficult to find a successor node

all of the mentioned

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MCQ

A binary tree is a ________data structure; each node belongs to a particular level number.

Dual level

Multilevel

Tri level

Single level

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MCQ

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

Complete binary tree

Binary search tree

Extended binary tree

None of above

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MCQ

Best case time complexity of binary search is ______________

O(n)

?(nlogn)

O(logn)

?(logn)

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MCQ

When converting binary tree into extended binary tree, all the original nodes in binary tree are

internal nodes on extended tree

external nodes on extended tree

vanished on extended tree

None of above

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MCQ

The following lines talks about deleting a node in a binary tree.(the tree property must not be violated after deletion)
i) from root search for the node to be deleted

ii)

iii) delete the node at

what must be statement ii) and fill up statement iii)

ii)-find random node,replace with node to be deleted. iii)- delete the node

ii)-find node to be deleted. iii)- delete the node at found location

ii)-find deepest node,replace with node to be deleted. iii)- delete a node

ii)-find deepest node,replace with node to be deleted. iii)- delete the deepest node

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Medical

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Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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More Data Structure Topics