Which code, inserted at line 8, generates the output "100"?
#include <iostream>
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;
}

• A.cout << fun(10);
• B.cout << fun(*x) ;
• C.cout << fun(y) ;
• D.cout << fun(5) ;

Comment: *

Name: *

Email: *

Verification: *

If a function, which is not a method, needs to save any value between its subsequent invocations, this can be done by: (Choose two.)

• A.setting a parameter of the function
• B.setting a variable declared inside the function with the static modifier
• C.setting a variable declared outside the function
• D.setting a variable declared inside the function without the static modifier

Comment: *

Name: *

Email: *

Verification: *

Which of the following statements are correct about an array?
int tab[10];

• A.The expression tab[1] designates the very first element in the array.
• B.The expression tab[9] designates the last element in the array.
• C.It is necessary to initialize the array at the time of declaration.
• D.The array can store 10 elements.

Comment: *

Name: *

Email: *

Verification: *

What is the meaning of the following declaration? (Choose two.)
char **ptr;

• A.ptr is a pointer to char*
• B.ptr is a pointer to a pointer to char
• C.ptr is a pointer to char
• D.ptr is a pointer to a pointer to a pointer to char

Comment: *

Name: *

Email: *

Verification: *

Which code, inserted at line 10, generates the output "Hello World"?
#include <iostream>
#include <string>
using namespace std;
string fun(string, string);
int main()
{
string s="Hello";
string *ps;
ps = &s;
//insert code here
return 0;
}
string fun(string s1, string s2)
{
return s1+s2;
}

• A.cout << fun("Hello");
• B.cout << fun(" World");
• C.cout << fun("Hello", " World");
• D.cout << fun(*ps);

Comment: *

Name: *

Email: *

Verification: *