What will be the output of the program, if a short int is 2 bytes wide?

#include<stdio.h>
int main()
{
    short int i = 0;
    for(i<=5 && i>=-1; ++i; i>0)
        printf("%u,", i);
    return 0;
}

What will be the output of the program?

#include<stdio.h>
int main()
{
    float a = 0.7;
    if(0.7 > a)
        printf("Hi\n");
    else
        printf("Hello\n");
    return 0;
}

Which of the following statements are correct about an if-else statements in a C-program?
1: Every if-else statement can be replaced by an equivalent statements using ?: operators
2: Nested if-else statements are allowed.
3: Multiple statements in an if block are allowed.
4: Multiple statements in an else block are allowed.

Can we use a switch statement to switch on strings?

What will be the output of the program?

#include<stdio.h>
#include<math.h>
int main()
{
    printf("%f\n", sqrt(36.0));
    return 0;
}

Is it true that too many recursive calls may result into stack overflow?

A macro must always be defined in capital letters.

In a macro call the control is passed to the macro.

A header file contains macros, structure declaration and function prototypes.

Which of the following function sets first n characters of a string to a given character?