Online Access Free CPA-21-02 Exam Questions

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i = 4;
while(i >= 0) {
cout<<i;
i??;
}
return 0;
}

• A.It prints:"43210"
• B.It prints: "3210?1"
• C.It prints:"3210"
• D.None of these

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <cstdarg>
using namespace std;
int mult(int f, int s, int t);
int main()
{
cout << mult(1,2,3);
return 0;
}
int mult(int f, int s, int t)
{
int mult_res;
mult_res = f*s*t;
return mult_res;
}

• A.It prints: 6
• B.It prints: 2
• C.It prints: 0
• D.It prints: 3

Which code, inserted at line 15, generates the output "5 Bob"?
#include <iostream>
#include <string>
using namespace std;
class B;
class A {
int age;
public:
A () { age=5; };
friend void Print(A &ob, B &so);
};
class B {
string name;
public:
B () { name="Bob"; };
//insert code here
};
void Print(A &ob, B &so) {
cout<<ob.age << " " << so.name;
}
int main () {
A a;
B b;
Print(a,b);
return 0;
}

• A.None of these
• B.friend void Print(A ob, B so);
• C.friend void Print(A *ob, B *so);
• D.friend void Print(A &ob, B &so);

What is the output of the program if character 4 is supplied as input?
#include <iostream>
using namespace std;
int main () {
int c;
cin >> c;
try
{
switch (c)
{
case 1:
throw 20;
case 2:
throw 5.2f;
case 3:
throw 'a';
default:
cout<<"No exception";
}
}
catch (int e)
{ cout << "int exception. Exception Nr. " << e; }
catch (float e)
{ cout << "float exception. Exception Nr. " << e; }
catch (...)
{ cout << "An exception occurred."; }
return 0;
}

• A.It prints: No exception
• B.It prints: An exception occurred
• C.It prints: float exception. Exception Nr.
• D.It prints: int exception. Exception Nr.

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

• A.It prints: 4
• B.It causes a compilation error
• C.lit prints: 0
• D.It prints: 1