Question 1

Which code, inserted at line 8, generates the output "100"? #include using namespace std; int fun(int); int main() { int *x = new int; *x=10; //insert code here return 0; } int fun(int i) { return i*i; }

Options :

A : cout << fun(*x) ;

B : cout << fun(10);

C : cout << fun(5) ;

D : cout << fun(y) ;

Answer: A,B

Question 2

What happens if characters 'w', 'o', 'r', 'l' and 'd' are entered as input? #include #include using namespace std; int main() { string s1 = "Hello"; string s2; getline( cin, s2 ); cout << s1 + s2; return( 0 ); }

Options :

A : It prints: Helloworld

B : It prints: Hello

C : It prints: world

D : Compilation error

Answer: A

Question 3

What happens when you attempt to compile and run the following code?

#include

using namespace std;

void print(char *c);

int main (int argc, const char * argv[])

{

print("Test");

return 0;

}

void print(char *c)

{

cout<

}

Options :

A : It prints: Test

B : It prints: T

C : It prints: st

D : None of these

Answer: A

Question 4

What is the output of the program? #include using namespace std; #define SQR(x)(x*x) int main(int argc, char *argv[]) { int x, y=2; x = SQR(y); cout << x << ", " <

return 0;

}

Options :

A : It prints: 3, 2

B : It prints: 4, 2

C : It prints: 3, 3

D : It prints: 9, 2

Answer: B

Question 5

What is the output of the program if characters 'h', 'e', 'l', 'l' , 'o' and enter are supplied as input? #include #include using namespace std; void f(); int main() { f(); return 0; } void f() { char c; c = cin.get(); cout << c; if(c != '\n') f(); }

Options :

A : It prints: hello

B : It prints: olleh

C : It prints: h

D : It prints: o

Answer: A

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