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Welcome to the Structures and Unions MCQs Page

Dive deep into the fascinating world of Structures and Unions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Structures and Unions, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Structures and Unions, 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.

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Check out the MCQs below to embark on an enriching journey through Structures and Unions. 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 Structures and Unions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Structures and Unions MCQs | Page 1 of 27

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Q1.
Which of the following are themselves a collection of different data types?
Discuss
Answer: (b).structures
Q2.
User-defined data type can be derived by___________
Discuss
Answer: (d).all of the mentioned
Q3.
Which operator connects the structure name to its member name?
Discuss
Answer: (c)..
Q4.
Which of the following cannot be a structure member?
Discuss
Answer: (b).Function
Discuss
Answer: (d).None of the mentioned
Q6.
What is the output of this C code?
#include <stdio.h>
    struct student
    {
        int no;
        char name[20];
    }
    void main()
    {
        struct student s;
        s.no = 8;
        printf("hello");
    }
Discuss
Answer: (a).Compile time error
Q7.
What is the output of this C code ?
#include <stdio.h>
    struct student
    {
        int no = 5;
        char name[20];
    };
    void main()
    {
        struct student s;
        s.no = 8;
        printf("hello");
    }
Discuss
Answer: (b).Compile time error
Q8.
What is the output of this C code?
#include <stdio.h>
    struct student
    {
        int no;
        char name[20];
    };
    void main()
    {
        student s;
        s.no = 8;
        printf("hello");
    }
Discuss
Answer: (c).Compile time error
Q9.
What is the output of this C code?
#include <stdio.h>
    void main()
    {
        struct student
        {
            int no;
            char name[20];
        };
        struct student s;
        s.no = 8;
        printf("%d", s.no);
    }
Discuss
Answer: (d).8
Q10.
Can the below code be compiled successfully?
#include <stdio.h>
    struct p
    {
        int k;
        char c;
        float f;
    };
    int main()
    {
        struct p x = {.c = 97, .f = 3, .k = 1};
        printf("%f\n", x.f);
    }
Discuss
Answer: (c).Depends on the standard

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