C Programming Quiz

Which operator is used to reach structure members if the variable is not a pointer?

• .

• :

• ::

• /

Which of the following cannot be a structure member?

• Another structure

• Array

• Function

• None of the mentioned

What is the size (in bytes) of the structure given below (assume 32-bit processor)?

struct test

{

int k;

char c;

};

• 3

• 4

• 5

• 6

The expression aptr->suit is equivalent to __________.

• a. aptr.suit

• b. *aptr.suit

• c. (*aptr).suit

• d. *aptr.(suit)

After running the following code script below, what will the last value of a and b be? int a = 7; int b = 17; int *c = &b; *c = 7;

• a. 7 7

• b. 7 17

• c. 17 7

• d. 17 17

What is the output of C program with Structure pointer in C?

#include <stdio.h>

int main()

{

struct books{

int pages;

char str[4];

}*ptr;

printf("%d",sizeof(ptr));

return 0;

}

• 4

• 6

• 8

• 10

What is the output of C program?

#include <stdio.h>

int main(){

struct book{

int pages;

char name[10];

}a;

a.pages=10;

strcpy(a.name,"Cbasics");

printf("%s=%d", a.name,a.pages);

return 0;

}

• empty string=10

• Cbasics=10

• C=basics

• C=basics

In a C Program if int a = 5; Int *ptr = &a; then the printf statement with &a, a, *ptr , ptr

• address, Value, Value, Address

• address, value, value, value

• all address

• All values

What is the output of C program with structures pointers?

#include <stdio.h>

int main()

{

struct forest

{

int trees;

int animals;

}F1,*F2;

F1.trees=1000;

F1.animals=20;

F2=&F1;

printf("%d ",F2->animals);

return 0;

}

• 0x187A3CF88

• 20

• Compiler error

• None of the above

What is the output of this C program?

int main()

{

struct bus

{

int seats;

}F1, *F2;

F1.seats=20;

F2=&F1;

F2->seats=15;

printf("%d ",F1.seats);

return 0;

}

• 15

• 20

• 0x0

• Compiler Error