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Welcome to the C Programming Fundamentals MCQs Page

Dive deep into the fascinating world of C Programming Fundamentals with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of C Programming Fundamentals, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of C Programming Fundamentals, 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 C Programming Fundamentals. 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 C Programming Fundamentals. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

C Programming Fundamentals MCQs | Page 7 of 24

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Q61.
Which of the following special symbol allowed in a variable name?
Discuss
Answer: (d)._ (underscore)
Q62.
What will be the output of the program?
#include<stdio.h>

int main()
{
    int y=128;
    const int x=y;
    printf("%d\n", x);
    return 0;
}
Discuss
Answer: (a).128
Q63.
What will be the output of the program?
#include<stdio.h>
#include<stdlib.h>

union employee
{
    char name[15];
    int age;
    float salary;
};
const union employee e1;

int main()
{
    strcpy(e1.name, "K");
    printf("%s %d %f", e1.name, e1.age, e1.salary);
    return 0;
}
Discuss
Answer: (d).No error
Q64.
What will be the output of the program?
#include<stdio.h>
int fun(int **ptr);

int main()
{
    int i=10;
    const int *ptr = &i;
    fun(&ptr);
    return 0;
}
int fun(int **ptr)
{
    int j = 223;
    int *temp = &j;
    printf("Before changing ptr = %5x\n", *ptr);
    const *ptr = temp;
    printf("After changing ptr = %5x\n", *ptr);
    return 0;
}
Discuss
Answer: (c).Error: cannot convert parameter 1 from 'const int **' to 'int **'
Q65.
What will be the output of the program?
#include<stdio.h>

int main()
{
    const int x=5;
    const int *ptrx;
    ptrx = &x;
    *ptrx = 10;
    printf("%d\n", x);
    return 0;
}
Discuss
Answer: (c).Error
Q66.
What will be the output of the program in TurboC?
#include<stdio.h>
int fun(int **ptr);

int main()
{
    int i=10, j=20;
    const int *ptr = &i;
    printf(" i = %5X", ptr);
    printf(" ptr = %d", *ptr);
    ptr = &j;
    printf(" j = %5X", ptr);
    printf(" ptr = %d", *ptr);
    return 0;
}
Discuss
Answer: (b).i= FFE4 ptr=10 j=FFE2 ptr=20
Q67.
What will be the output of the program?
#include<stdio.h>

int main()
{
    const char *s = "";
    char str[] = "Hello";
    s = str;
    while(*s)
        printf("%c", *s++);

    return 0;
}
Discuss
Answer: (c).Hello
Q68.
What will be the output of the program?
#include<stdio.h>
int get();

int main()
{
    const int x = get();
    printf("%d", x);
    return 0;
}
int get()
{
    return 20;
}
Discuss
Answer: (c).20
Q69.
What will be the output of the program (in Turbo C)?
#include<stdio.h>

int fun(int *f)
{
    *f = 10;
    return 0;
}
int main()
{
    const int arr[5] = {1, 2, 3, 4, 5};
    printf("Before modification arr[3] = %d", arr[3]);
    fun(&arr[3]);
    printf("\nAfter modification arr[3] = %d", arr[3]);
    return 0;
}
Discuss
Answer: (a).Before modification arr[3] = 4 After modification arr[3] = 10
Q70.
What will be the output of the program?
#include<stdio.h>

int main()
{
    const int i=0;
    printf("%d\n", i++);
    return 0;
}
Discuss
Answer: (d).Error: ++needs a value

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