Control Structures MCQs

The C statement ""if (a == 1 || b == 2) {}"" can be re-written as . . . . . . . .

goto can be used to jump from main() to within a function.

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int x = 0;
    if (x++)
        printf("true\n");
    else if (x == 1)
        printf("false\n");
}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int a = 1;
    if (a)
        printf("All is Well ");
        printf("I am Well\n");
    else
        printf("I am not a River\n");
}

Which keyword is used to come out of a loop only for that iteration?

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    printf("before continue ");
    continue;
    printf("after continue\n");
}

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    int a = 0, i = 0, b;
    for (i = 0;i < 5; i++)
    {
        a++;
        if (i == 3)
            break;
    }
}

What will be the output of the following C code?

#include <stdio.h>
switch (ch)
{
   case 'a':
   case 'A':
      printf("true");
}

How many times while loop condition is tested in the following C code snippets, if i is initialized to 0 in both the cases?

while (i < n)
         i++;
    ————-
    do
         i++;
    while (i <= n);