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What will output when you compile and run the following code?#include &lt;stdio.h&gt;<br />struct student<br />{ int roll;<br />int cgpa;<br />int sgpa[8]; }; void main()<br />{ struct student s = { 12,8,7,2,5,9 };<br />int *ptr;<br />ptr = (int *)&amp;s;<br />clrscr();<br />printf( "%d", *(ptr+3) );<br />getch(); }

Correct Answer: 2

Which function is not called in the following C program?
#include <stdio.h>void first(){ printf("first");}void second(){ first();}void third(){ second();}void main(){ void (*ptr)(); ptr = third; ptr();}

Point out the error (if any) in the following C code?
#include <stdlib.h>#include <stdio.h>int main(void){ int* p = NULL; struct S *s = NULL; void(*f)(int, double) = NULL; char *ptr = malloc(15); if (ptr == NULL) printf("Out of memory"); free(ptr);}

Which of the following should be used for freeing the memory allocated in the following C code?
#include <stdio.h>struct p{ struct p *next; int x;};int main(){ struct p *p1 = (struct p*)malloc(sizeof(struct p)); p1->x = 1; p1->next = (struct p*)malloc(sizeof(struct p)); return 0;}

Determine Output:
#include<stdio.h>void main(){ int *ptr, a=10; ptr = &a; *ptr += 1; printf("%d, %d", *ptr, a);}

Given the following piece of code:
class SalaryCalculationException extends Exception{}class Person{ public void calculateSalary() throws SalaryCalculationException{ //... throw new SalaryCalculationException(); //... }}class Company{ public void paySalaries(){ new Person().calculateSalary(); }}

Which of the following statements is correct?
1. This code will compile without any problems.
2. This code will compile if in method paySalaries() we return a boolean in stead of void.
3. This code will compile if we add a try-catch block in paySalaries().
4. This code will compile if we add throws SalaryCalculationException in the signature of method paySalaries().

What will be output of following program ? #include
int main() { int a = 10;
void *p = &a;
int *ptr = p;
printf("%u",*ptr);
return 0; }

Which of the following statements are correct with respect to PTR/ Pupil Teacher ratio:
1. The PTR norms for the country are 30:1 for primary level education, 35 : 1 for upper primary level education and 30 : 1 for secondary level education.
2. The PTR compliance is aided by Sarva Siksha Abhiyan program for elementary and secondary education.
3. Tripura, Sikkim and Nagaland have the worst PTR among Indian states.
4. Kerala is the most compliant among the large states.
Select the correct option:

Comment on the output of the following C code.
#include <stdio.h>int main(){ char *str = "This" //Line 1 char *ptr = "Program\n"; //Line 2 str = ptr; //Line 3 printf("%s, %s\n", str, ptr); //Line 4}

What will be the declaration of the variable ptr as the pointer to array of 6 floats? b) float *ptr c) float(*ptr) d) float(*ptr)(6).

What is the output of this program? #include
using namespace std;
struct sec {
int a;
char b;
};
int main()
{
struct sec s ={25,50};
struct sec *ps =(struct sec *)&s;
cout << ps->a << ps->b;
return 0;
}