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MCQ

What is a threaded binary tree traversal?

a binary tree traversal using stacks

a binary tree traversal using queues

a binary tree traversal using stacks and queues

a binary tree traversal without using stacks and queues

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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

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

the variable in E will appear as external nodes and operations in internal nodes

the operations in E will appear as external nodes and variables in internal nodes

the variables and operations in E will appear only in internal nodes

the variables and operations in E will appear only in external nodes

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MCQ

Herder node is used as sentinel in

Graphs

Stacks

Binary tree

Queues

Discussion

MCQ

In a binary search tree, which of the following traversals would print the numbers in the ascending order?

Level-order traversal

Pre-order traversal

Post-order traversal

In-order traversal

Discussion

MCQ

In order to get the contents of a Binary search tree in ascending order, one has to traverse it in

pre-order

in-order

post order

not possible

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Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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