Flow control (loops), int and float types, type casting, and computer logic M3 Test

Flow control (loops), int and float types, type casting, and computer logic M3 Test

Flow control (loops), int and float types, type casting, and computer logic M3 Test

  1. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   float x, y;
   int i, j;

   x = 1.5; y = 2.0;
   i = x * y + (float)i / j;

   printf("%f", x);
   return 0;
}
    • the program outputs3.500000
    • the program outputs2.000000
    • the program outputs3.000000
    • the program outputs4.000000

  2. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   doble x = -.1;

   int i = x;

   printf("%f", i);
   return 0;
}
    • the program outputs0
    • the program outputs0.100000
    • the program outputs-0.100000
    • the program outputs-1

  3. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   int i = 1, j = -2, k;

   k = !(i >= 0) || !(j <= 0) || !(j <=0);

   printf("%d", k);
   return 0;
}
    • the program outputs1
    • the program outputs3
    • the program outputs2
    • the program outputs0

  4. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   int i, j, k;

   i = -1;
   j = 1;

if(i)
   j--;
if(j)
   i++;
k = i * j;

   printf("%d", k);
   return 0;
}
    • the program outputs0
    • the program outputs1
    • the program outputs2
    • the program outputs-1

  5. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   int i, j, k;

       i = 0;
 j = 0;

       if(i)
       j--;
else
       i++
if(i)
       i--;
else
       j++;
       k = i + j;

       printf("%d", k);
return 0;
}
    • the program outputs0
    • the program outputs1
    • the program outputs2
    • the program outputs-1

  6. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   int i = 1, j = -2, k;
       k = (i >= 0) && (j >=00) || (i <=0) && (j <=0);
       printf("%d", k);
   return 0;
}
    • the program outputs 0
    • the program outputs 3
    • the program outputs 2
    • the program outputs 1

  7. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   int i, j = 0;
       for(i = 0; !i; i++)   
       j++;  
       printf("%d",j);
   return 0;
}
    • the program outputs 1
    • the program outputs 2
    • the program outputs 3
    • the program outputs 0

  8. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   int i = 7, j = i - i;
       
     while(i){
       i /= 2;   
       j++;  
      }

      printf("%d",j);
      return 0;
}
    • the program outputs 3
    • the program outputs 0
    • the program outputs 1
    • the program outputs 2

  9. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 7, j = i - i;

      while(!i){
         i /= 2; 
         j++; 
        }

      printf("%d",j);
      return 0;
}
    • the program outputs 0
    • the program outputs 3
    • the program outputs 1
    • the program outputs 2

  10. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 1, j = 0, k;

      k = i & j;
      k |= !!k;

      printf("%d",k);
      return 0;
}
    • the program outputs 0
    • the program outputs 3
    • the program outputs 2
    • the program outputs 1

  11. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 1, j = 0, k;

      k = (i ^ j) + (!i ^ j) + (i ^ !j) + (!i ^ !j);
     
         printf("%d",k);
      return 0;
}
    • the program outputs 2
    • the program outputs 3
    • the program outputs 0
    • the program outputs 1

  12. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
   float x, y;
   int i, j;

   x = 1.5; y = 2.0;
   i = 2, j = 3;
   x = x * y + i / j;

   printf("%f", x);
   return 0;
}
    • the program outputs3.000000
    • the program outputs1.000000
    • the program outputs0.000000
    • the program outputs2.000000

  13. What is the value of the  var variable at the end of the following snippet?

    #include <stdio.h>

int main(void)
{
   int i;
       i = 1;
   while(i < 16)
       i *= 2;   

   printf("%d", i);
   return 0;
}
    • 16
    • 32
    • 0
    • 4

  14. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 1, j = 0, k;
      k = !i | j;
      k = !k;
     
      printf("%d",k);
      return 0;
}
    • the program outputs 1
    • the program outputs 3
    • the program outputs 2
    • the program outputs 0

  15. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i, j, k;

      i = 2;
      j = 3;
     
      if(j)
         j ; 
      else if(j)
         i++;
      else
         j++;
      if(j)
         i ;
      else if(j)
         j++;
      else
             j = 0;
        k = i + j;
     
        printf("%d",k);
      return 0;
}
    • the program outputs 3
    • the program outputs 1
    • the program outputs 2
    • the program outputs 0

  16. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 1, j = -2, k;
    
     k = (i >= 0) || (j >= 00) && (i <= 0) || (j <= 0);
      printf("%d",k);
      return 0;
}
    • the program outputs 1
    • the program outputs 3
    • the program outputs 2
    • the program outputs 0

  17. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i, j = 1;

      for(i = 11; i > 0; i /= 3)
         j++;
     
      printf("%d",j);
      return 0;
}
    • the program outputs 4
    • the program outputs 5
    • the program outputs 3
    • the program outputs 2

  18. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 1; j = -2;
 
      for(;;){
         i *= 3;
         j++;

             if(i > 30)
             break;
      }
     
      printf("%d",j);
      return 0;
}
    • the program outputs 2
    • the program outputs 3
    • the program outputs 1
    • the program outputs 0

  19. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i = 0, j = 1, k;

          k i << j + j << i;
     
      printf("%d",k);
      return 0;
}
    • the program outputs 0
    • the program outputs 3
    • the program outputs 2
    • the program outputs 1

  20. What happens if you try to compile and run this program?

    #include <stdio.h>

int main(void)
{
      int i, j;
      i = 1; j = 1;

      while(i < 16){
         i += 4;
         j++;
     }
     
      printf("%d",j);
      return 0;
}
    • the program outputs 5
    • the program outputs 6
    • the program outputs 7
    • the program outputs 4