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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

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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MCQ

Sequential search has a time complexity of O(n), and binary search has a time complexity of O(log(n)). What difference will it make when the size n is 1000?

You would not notice much difference because computers run very fast anyway

As n is 1000, binary search is twice as fast as sequential search

As n is 1000, binary search is 10 times as fast as sequential search

As n is 1000, binary search is 100 times as fast as sequential search.

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MCQ

A binary tree is said to be an extended binary tree (also known as 2-tree) if all of its nodes are of _______.

Zero degree

Two degrees

Both (a) and b)

None of the above

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MCQ

What is the speciality about the inorder traversal of a binary search tree?

It traverses in a non increasing order

It traverses in an increasing order

It traverses in a random fashion

None of the mentioned

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MCQ

What is a full binary tree?

Each node has exactly zero or two children

Each node has exactly two children

All the leaves are at the same level

Each node has exactly one or two children

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Heaps

Hash based structures

Graphs

Mixed

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