1. (5) Identify syntactic errors in the following program.
 
	   main ()
	    (
	     INT sum;

	     /* COMPUTE RESULT
	     sum = 25 + 37 - 19

	     /* DISPLAY RESULTS */
	     printf ("The answer is %d\n" sum);
	    }

 
 

 
 2. (2) What output might you expect from the following program?

	   main ()
	    {
	     int answer, result;

	     answer = 100;
	     result = answer - 10;
	     printf ("The result is %d\n", result + 5);
	    }


 
 

 3. (24) Which of the following are invalid variable names?

	    sum				char                    6_05

	    _calloc			Xx                      q

	    floating			_2131                   one_two_3

	    ReInitialize		2Gether			A$
                                                                      




 4. (24) Which of the following are invalid constants?

	    624.819			0x11.2			0X0G1

	    06				0xABCD			475L

	    0Xec02			0L                      -623.81

	    0983                        -11E-11                 06677

 
 
 

 5. (2) What output would you expect from the following program?

	   main ()
	    {
	     char c, d;

	     c = 'd';
	     d = c;
	     printf ("d = %c\n", d);
	    }

 
 
 

 6. (24) Give the format or conversion characters for displaying
         the following:

            int                         hex                     long octal

            float                       octal                   short int

            double                      long int                short hex

            char                        long hex                short octal

 
 
 

 7. (2) What is the value of result in the following expression?

	   int a = 10, b = 20, c = 30, d = 40, e = 50;
	   float result;

	   result = c + d - b + e % a * c / d;





 8. (2) What is the value of result in the following expression?

	   int result;
	   float x = 30, y = 7;

	   result = x / y;





 9. (2) What is the value of result in the following expression?

	   int m = 75;
	   float n = 30, result;

	   result = m / n;


 
 
 
10. (2) How many times will the following loop be executed?

	   i = 0;
	   for ( ; i < 100; i = i + 1)
	    i = i + 4;

 
 
 

11. (5) Express the following statement using the increment operator.

	   hours_worked = hours_worked + 1;

 
 
 

12. (6) Rewrite the following 'for' loop using a 'do' loop.

	   for ( x = 1; x <= 100; x = x + 1)
	    salary = hours_worked * pay_rate;