Control Structures MCQs

Which command is used to skip the rest of a loop and carry on from the top of the loop again?

What is the output of the following program?

#include<stdio.h>
int c[10] = {1,2,3,4,5,6,7,8,9,10};   
main()
{
   int a, b=0;
   for(a=0;a<10;++a)
      if(c[a]%2 == 1)
         b+=c[a];
   printf("%d", b);
}

What is the output of the following statements?

for(i=10; i++; i<15)
   printf("%d ", i);

The type of the controlling expression of a switch statement cannot be of the type ........

What's wrong in the following statement, provided k is a variable of type int? for(k = 2, k <=12, k++)

Find the output of the following program.

#include<stdio.h>
void main()
{
   int y=10;
   if(y++>9 && y++!=10 && y++>11)
      printf("%d", y);
   else
      printf("%d", y);
}

What will be the value of sum after the following program is executed?

void main()
{
   int sum=1, index = 9;
   do{
      index = index – 1;
      sum *= 2;
   }while( index > 9 );
}

What is the right choice, if the following loop is implemented?

void main()
{
   int num = 0;
   do{
      --num;
      printf("%d", num);
   }while( ++num >= 0 );
}

What will be the final value of the digit?

void main()
{
   int digit = 0;
   for( ; digit <= 9; )
   digit++;
   digit  *= 2;
   --digit;
}