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MCQ

A binary tree can easily be converted into a 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

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MCQ

Like _________- binary trees can also be represented in two ways in the memory

Stacks

Queues

Strings

Both (a) and (b)

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MCQ

The depth of a complete binary tree with 'n nodes is (log is to be base two)

log(n)

log(n) + 1

log (n-1) + 1

log (n+1)-1

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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

What are the conditions for an optimal binary search tree and what is its advantage?

The tree should not be modified and you should know how often the keys are accessed, it improves the lookup cost

You should know the frequency of access of the keys, improves the lookup time

The tree can be modified and you should know the number of elements in the tree before hand, it improves the deletion time

None of the mentioned

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The number of nodes in a complete binary tree of level 5 is

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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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