Question Discussion & Solution

MCQ

A binary tree of depth "d" is an almost complete binary tree if

for any node

each leaf in the tree is either at level

both (a) and (b)

None of these

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MCQ

Traversing a binary tree first root and then left and right subtrees called _______traversal.

inorder

preorder

postorder

none of these

Discussion

MCQ

A binary tree can easily be converted into q 2-tree

by replacing each empty sub tree by a new internal node

by inserting an internal nodes for non-empty node

by inserting an external nodes for non-empty node

by replacing each empty sub tree by a new external node

Discussion

MCQ

The linked representation of a binary tree is implemented by using a linked list having an_________.

Info part

Two pointers- left and right

Both (a) and (b)

One pointer

Discussion

MCQ

What is a complete binary tree?

Each node has exactly zero or two children

A binary tree, which is completely filled, with the possible exception of the bottom level, which is filled from right to left

A binary tree, which is completely filled, with the possible exception of the bottom level, which is filled from left to right

None of the mentioned

Discussion

MCQ

Why we need to a binary tree which is height balanced?

to avoid formation of skew trees

to save memory

to attain faster memory access

to simplify storing

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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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