C Fundamentals MCQs

The following C code can be rewritten as . . . . . . . .

c = (n) ? a : b;

Which of the following is a User-defined data type?

Which of the following declaration is illegal?

What will be the output of the following C code?

#include <stdio.h>
void main()
{
    char a = 'A';
    char b = 'B';
    int c = a + b % 3 - 3 * 2;
    printf("%d\n", c);
}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int i = 10;
    int *p = &i
    printf("%d\n", *p++);
}

What will be the data type of the result of the following operation?

(float)a * (int)b / (long)c * (double)d

Which among the following are the fundamental arithmetic operators, i.e, performing the desired operation can be done using that operator only?

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int p = 10, q = 20, r;
    if (r = p = 5 || q > 20)
        printf("%d", r);
    else
        printf("No Output\n");
}

Which of the following statement is false?