Welcome to the Pointers and Arrays in C MCQs Page

Dive deep into the fascinating world of Pointers and Arrays in C with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Pointers and Arrays in C, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Pointers and Arrays in C, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C Programming.

Check out the MCQs below to embark on an enriching journey through Pointers and Arrays in C. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Pointers and Arrays in C. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Pointers and Arrays in C MCQs | Page 51 of 53

Explore more Topics under C Programming

01

C Programming Fundamentals

02

Data Types,Operators and Expressions in C

03

Control Flow Statements in C

04

Functions

05

Structures and Unions

06

Input and Output in C

07

Library Functions

08

Strings

09

File Handling in C

10

Macro and Preprocessor

Q501.

What is the function used to allocate memory to an array at run time without initializing array elements?

calloc()

malloc()

palloc()

kalloc()

Discuss

Answer: (b).malloc()

Q502.

Choose a correct Syntax for malloc() function to allocate memory to an array at run time.

int *p;
p = (int*)malloc(10*sizeof(int));

int *p;
p = (int*)malloc(10,sizeof(int));

int *p;
p = (int*)malloc(sizeof(int), 10);

int *p;
p = (int*)malloc(10*sizeof(int *));

Discuss

Answer: (a).int *p;
p = (int*)malloc(10*sizeof(int));

Q503.

What is the syntax of CALLOC to allocate memory to an array at runtime.?

int *p;
p = (int*)calloc(10, sizeof(int));

int *p;
p = (int*)calloc(10*sizeof(int));

int *p;
p = (int*)calloc(sizeof(int), 10);

int *p;
p = (int*)calloc(10, sizeof(int *));

Discuss

Answer: (a).int *p;
p = (int*)calloc(10, sizeof(int));

Q504.

What is the dimension of the C array int ary[10][5]?

Discuss

Answer: (b).2

Q505.

What is the dimension of the below C Array?

int ary[]={1,3,5,7};

Discuss

Answer: (a).1

Q506.

Choose a correct statement with array pointers.

It is valid to add an integer number to an array pointer. Result can be anything.

It is valid to subtract an integer number from array pointer. Result can be anything.

Difference of pointers to two elements of an array gives the difference between their indexes.

All of the above

Discuss

Answer: (d).All of the above

Q507.

Choose correct statement about C array pointers.

You can compare two array elements with *p == *(p+i)

You can compare two pointers with p1==p2.

Accessing out of bounds index element is valid and it returns a garbage value.

All of the above

Discuss

Answer: (d).All of the above

Q508.

What is the output of C Program with arrays?

int main()
{
    int ary[] = {1, 3, 5};
    printf("%d %d", ary[-1], ary[4]);
    return 0;
}

1 5

0 0

Compiler error

None of the above

Discuss

Answer: (d).None of the above

Q509.

What is the output of C Program with arrays?

int main()
{
    static int ary[] = {1, 3, 5};
    printf("%d %d", ary[-1], ary[5]);
    return 0;
}

0 0

-1 -1

Compiler error

None of the above

Discuss

Answer: (a).0 0

Q510.

What is the output of C Program with arrays and pointers?

int main()
{
    int ary[] = {11, 33, 55};
    int *p, *q;
    p = ary;
    q = ary+2;
    printf("%d %d",*p, *q);
    return 0;
}

11 55

11 13

11 33

Compiler error

Discuss

Answer: (a).11 55

Page 51 of 53

Welcome to the Pointers and Arrays in C MCQs Page

Pointers and Arrays in C MCQs | Page 51 of 53

Explore more Topics under C Programming

C Programming Fundamentals

Data Types,Operators and Expressions in C

Control Flow Statements in C

Functions

Structures and Unions

Input and Output in C

Library Functions

Strings

File Handling in C

Macro and Preprocessor

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