C Arrays and Pointers

C Arrays and Pointers

University

10 Qs

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C Arrays and Pointers

C Arrays and Pointers

Assessment

Quiz

Physics

University

Practice Problem

Hard

Created by

Arumbu N

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the syntax for declaring an array in C?

data_type array_name = array_size;

data_type array_name[array_size];

data_type array_name[array_size]

array_name[array_size] data_type;

array_name = data_type[array_size];

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

How do you initialize an array in C?

int arr[5] = {1, 2, 3, 4, 5};

int arr[] = {1, 2, 3, 4, 5};

int arr[] = {1, 2, 3, 4, 5};

int arr[5] = {1, 2, 3, 4, 5, 6};

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of multi-dimensional arrays in C.

In C, multi-dimensional arrays are created by using pointers exclusively

Multi-dimensional arrays in C are declared by specifying the number of columns only

In C, multi-dimensional arrays are declared by specifying the number of rows and columns, such as int arr[3][4]; to create a 3x4 array. Elements are accessed using indices for both rows and columns, like arr[1][2] to access the element in the second row and third column.

Elements in multi-dimensional arrays are accessed using a single index in C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between a one-dimensional array and a multi-dimensional array?

One-dimensional arrays can only store one type of data

Multi-dimensional arrays are always rectangular in shape

One-dimensional arrays are always faster than multi-dimensional arrays

The main difference is in the way elements are organized spatially.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you access elements in a multi-dimensional array in C?

array[i][k]

array[j][i]

array[i, j]

array[i][j]

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can an array in C have a mix of data types?

Maybe

No

Sometimes

Yes

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between arrays and pointers in C?

Arrays in C are always stored in a contiguous memory block

Arrays in C cannot be accessed using pointers

Pointers in C are not related to arrays

Arrays in C can be accessed using pointers, where the array name acts as a pointer to the first element of the array.

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