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What is sparsity of a matrix?

The fraction of zero elements over the total number of elements

The fraction of non-zero elements over the total number of elements

The fraction of total number of elements over the zero elements

The fraction of total number of elements over the non-zero elements

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The process of finding the occurrence of a particular element in an array is known as_______.

Linear search

Binary search

Searching

None of the above

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What is a dynamic array?

A variable size data structure

An array which is created at runtime

The memory to the array is allocated at runtime

An array which is reallocated everytime whenever new elements have to be added

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What is a sparse array?

Data structure for representing arrays of records

Data structure that compactly stores bits

An array in which most of the elements have the same value

None of the mentioned

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Identify the disadvantages of bit array.

Without compression, they might become sparse

Accessing individual bits is expensive

Compressing bit array to byte/word array, the machine also has to support byte/word addressing

All of the mentioned

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Size of the array need not be specified, when

Initialization is a part of definition

It is a declaratrion

It is a formal parameter

All of these

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Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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