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MCQ

Which of the following is not a disadvantage to the usage of array?

Fixed size

You know the size of the array prior to allocation

Insertion based on position

Accessing elements at specified positions

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MCQ

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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MCQ

Suppose the contents of an array A are, A = {1, null, null, null, null, 10};What would be the size of the array considering it as a normal array and a sparse array?

6 and 6

6 and 2

2 and 6

2 and 2

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MCQ

How do you allocate a matrix using a single pointer in C?(r and c are the number of rows and columns respectively)

int *arr = malloc(r * c * sizeof(int));

int *arr = (int *)malloc(r * c * sizeof(int));

int *arr = (int *)malloc(r + c * sizeof(int));

int *arr = (int *)malloc(r * c * sizeof(arr));

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MCQ

For a linear search in an array of n elements the time complexity for best, worst and average case are ......., ....... and ........ respectively

O(1),O(n) and O(n)

O(1), O(n) and O(n/2)

O(n), O(1), and O(n/2)

O(1), O(n) and (n-1/2)

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MCQ

If more than one subscript is used, an array is known as a__________.

One- dimensional array

Single dimensional array

Multi- dimensional array

None of the above

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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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