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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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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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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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MCQ

A binary tree in which every non-leaf node has non-empty left and right subtrees is called a strictly binary tree. Such a tree with 10 leaves

Has exactly 17 nodes

Has exactly 19 nodes

Cannot have more than 19 nodes

None of these

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MCQ

An algorithm that calls itself directly or indirectly is known as

Sub algorithm

Recursion

Polish notation

Traversal algorithm

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MCQ

Which code for an alphabet (set of symbols) is generated by constructing a binary tree with nodes containing the symbols to be encoded and their probabilities of occurrence?

Algorithm

Hughman code

Huffman code

Canonical Huffman codes

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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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