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Practice Free CPA C++ Certified Associate Programmer Exam Questions Answers With Explanation

We at Crack4sure are committed to giving students who are preparing for the C++ Institute CPA Exam the most current and reliable questions . To help people study, we've made some of our C++ Certified Associate Programmer exam materials available for free to everyone. You can take the Free CPA Practice Test as many times as you want. The answers to the practice questions are given, and each answer is explained.

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Question # 6

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

#include

using namespace std;

namespace myNamespace1

{

int x = 5;

int y = 10;

}

namespace myNamespace2

{

float x = 3.14;

float y = 1.5;

}

int main () {

{

using namespace myNamespace1;

cout << x << " ";

}{

using namespace myNamespace2;

cout << y;

}

return 0;

}

A.

It prints: 5 1.5

B.

It prints: 3.14 10

C.

Compilation error

D.

None of these

Question # 7

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

#include

#include

using namespace std;

inline float sum(float a,float b)

{

return a+b;

}

int main()

{

float a,b;

a = 1.5; b = 3.4;

cout<

return 0;

}

A.

It prints: 0

B.

It prints: 4.9

C.

It prints: 5

D.

It prints: 4

Question # 8

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

#include

using namespace std;

class A {

public :

void print() {

cout << "A ";

}

};

class B {

public :

void print() {

cout << "B ";

}

};

int main() {

B sc[2];

A *bc = (A*)sc;

for (int i=0; i<2;i++)

(bc++)->print();

return 0;

}

A.

It prints: A A

B.

It prints: B B

C.

It prints: A B

D.

It prints: B A

Question # 9

Which code, inserted at line 14, generates the output "3.14 10"?

#include

using namespace std;

namespace myNamespace1

{

int x = 5;

int y = 10;

}

namespace myNamespace2

{

float x = 3.14;

float y = 1.5;

}

int main () {

//insert code here

cout << x << " " << y;

return 0;

}

A.

using myNamespace2::y; using myNamespace1::x;

B.

using namespace myNamespace1;

C.

using namespace myNamespace1; using namespace myNamespace2;

D.

using myNamespace1::y; using myNamespace2::x;

Question # 10

What is the output of the program?

#include

#include

using namespace std;

class First

{

string name;

public:

First() {

name = "Alan";

}

void Print(){

cout << name;

}

};

int main()

{

First ob1,*ob2;

ob2 = new First();

ob1.Print();

ob2?>Print();

}

A.

Garbage value

B.

It prints: AlanAlan

C.

It prints: Alan

D.

It prints: Al

Question # 11

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

#include

#include

using namespace std;

class B;

class A {

int age;

public:

A () { age=5; };

friend class B;

};

class B {

string name;

public:

B () { name="Bob"; };

void Print(A ob) {

cout << name << ob.age;

}

};

int main () {

A a;

B b;

b.Print(a);

return 0;

}

A.

It prints: Bob5

B.

It prints: Bob

C.

It prints: 5

D.

None of these

Question # 12

Which of the following statements are correct?

A.

A function can be defined inside another function

B.

A function may have any number of return statements each returning different values.

C.

A function can return floating point value

D.

In a function two return statements should never occur.

Question # 13

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

#include

using namespace std;

int main()

{

const int x=0;

const int *ptr;

ptr = &x;

cout<<*ptr;

return 0;

}

A.

It prints: 0

B.

It prints address of x

C.

It prints: 1

D.

Compilation error

Question # 14

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

#include

#include

using namespace std;

class myClass : public exception

{

virtual const char* what() const throw()

{

return "My exception.";

}

} obj;

int main () {

try

{

throw obj;

}

catch (exception& e)

{

cout << e.what() << endl;

}

return 0;

}

A.

It prints: My exception.

B.

It prints: 0

C.

It prints: 1

D.

Compilation error

Question # 15

Which code, inserted at line 5, generates the output "ABC"?

#include

using namespace std;

class A {

public:

//insert code here

};

class B:public A {

public:

void Print(){ cout<< "B"; }

};

class C:public B {

public:

void Print(){ cout<< "C"; }

};

int main()

{

A ob1;

B ob2;

C ob3;

A *obj;

obj = &ob1;

obj?>Print();

obj = &ob2;

obj?>Print();

obj = &ob3;

obj?>Print();

}

A.

void Print(){ cout<<"A";}

B.

virtual void Print(){ cout<<"A";}

C.

virtual void Print(string s){ cout<

D.

None of these

Question # 16

How could you pass arguments to functions?

A.

by value

B.

by reference

C.

by pointer

D.

by void

Question # 17

What will be the output of the program?

#include

using namespace std;

int fun(int);

int main()

{

cout << fun(5);

return 0;

}

int fun(int i)

{

return i*i;

}

A.

25

B.

5

C.

0

D.

1

Question # 18

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

#include

using namespace std;

int main()

{

int i = 5;

do {

i??;

cout<

}

while(i >= 0);

return 0;

}

A.

It prints: 43210?1

B.

It prints: ?1

C.

It prints: 4321

D.

It prints: 1

Question # 19

If there is one, point out an error in the program

#include

using namespace std;

int main()

{

int i=1;

for(;;)

{

cout<

if(i>5)

break;

}

return 0;

}

A.

Error in “if” statement

B.

Error in “for” loop

C.

No error

D.

Error in break statement

Question # 20

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

#include

using namespace std;

int main()

{

int *a= new int;

*a=100;

cout << *a;

delete a;

}

A.

It prints: 1

B.

It prints: 100

C.

It prints: 0

D.

It prints: 10

Question # 21

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

#include

#include

using namespace std;

int main()

{

string s1[]= {"How" , "to" };

s1[0].swap(s1[1]);

for (int i=0; i<2; i++) {

cout << s1[i];

}

return( 0 );

}

A.

It prints: Hoto

B.

It prints: toHow

C.

It prints: Ht

D.

It prints: to

Question # 22

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

#include

using namespace std;

int op(int x, int y)

{

int i;

i = x + y;

return i;

}

int main()

{

int i=1, j=2, k, l;

k = op(i, j);

l = op(j, i);

cout<< k << "," << l;

return 0;

}

A.

It prints: 1,2

B.

It prints: ?1,1

C.

It prints: 1,1

D.

It prints: 3,3

Question # 23

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

#include

using namespace std;

void fun(char*);

int main()

{

char t[4]={'0', '1', '2', '3'};

fun(&t[0]);

return 0;

}

void fun(char *a)

{

cout << *a;

}

A.

It prints: 01

B.

It prints: 1

C.

It prints: 0

D.

It prints: 0123

Question # 24

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

#include

using namespace std;

int fun(int x) {

return 2*x;

}

int main(){

int i;

i = fun(1) || fun(2);

cout << i;

return 0;

}

A.

It prints: 0

B.

It prints: 1

C.

It prints: -1

D.

Compilation error

Question # 25

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

#include

#include

using namespace std;

class A {

protected:

int y;

public:

int x, z;

A() : x(1), y(2), z(0) {}

A(int a, int b) : x(a), y(b) { z = x * y;}

void Print() { cout << z; }

};

class B : public A {

public:

int y;

B() : A() {}

B(int a, int b) : A(a,b) {}

void Print() { cout << z; }

};

int main () {

A b(2,5);

b.Print();

return 0;

}

A.

It prints: 10

B.

It prints: 2

C.

It prints: 5

D.

It prints: 1

Question # 26

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

#include

#include

using namespace std;

int main()

{

string s1[]= {"H" , "t" };

string s;

for (int i=0; i<2; i++) {

s = s1[i];

s.insert(1,"o");

cout << s;

}

return( 0 );

}

A.

It prints: Hoto

B.

It prints: Ho

C.

It prints: to

D.

It prints: Ht

Question # 27

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

#include

using namespace std;

#define A 1

int main()

{

#if A

cout<<"Hello";

#endif

cout<<"world";

return 0;

}

A.

It will print: Helloworld

B.

It will print: Hello

C.

It will print: world

D.

It will print: 0

Question # 28

Which code, inserted at line 19, generates the output "23"?

#include

#include

using namespace std;

class A {

int x;

protected:

int y;

public:

int z;

A() { x=1; y=2; z=3; }

};

class B : public A {

string z;

public:

int y;

void set() { y = 4; z = "John"; }

void Print() {

//insert code here

}

};

int main () {

B b;

b.set();

b.Print();

return 0;

}

A.

cout << y << z;

B.

cout << y << A::z;

C.

cout << A::y << A::z;

D.

cout << B::y << B::z;

Question # 29

Which code, inserted at line 18, generates the output "AB"

#include

using namespace std;

class A

{

public:

void Print(){ cout<< "A";}

void Print2(){ cout<< "a";}

};

class B:public A

{

public:

void Print(){ cout<< "B";}

void Print2(){ cout<< "b";}

};

int main()

{

B ob2;

//insert code here

ob2.Print();

}

A.

ob2?>A::Print();

B.

ob2.B::Print();

C.

ob2?>B::Print();

D.

ob2.A::Print();

Question # 30

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

#include

#include

using namespace std;

int f(int i);

int main()

{

int i=0;

i++;

for (i=0; i<=2; i++)

{

cout<

}

return 0;

}

int f(int a)

{

return a+a;

}

A.

It prints: 202020

B.

It prints: 012

C.

It prints: 024

D.

It prints: 0

Question # 31

Which code, inserted at line 12, generates the output "5b"?

#include

using namespace std;

namespace myNamespace1

{

int var = 5;

}

namespace myNamespace2

{

char var = 'b';

}

int main () {

//insert code here

return 0;

}

A.

cout << myNamespace1::var << var;

B.

cout << var << var;

C.

cout << myNamespace1::var << myNamespace2::var;

D.

None of these

Question # 32

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

#include

using namespace std;

int f(int a, int b);

int main()

{

float b;

b = f(20,10);

cout << b;

return 0;

}

int f(int a, int b)

{

return a/b;

}

A.

It prints: 2

B.

It prints: 5

C.

It prints: 10

D.

It prints: 0

Question # 33

What is the output of the program?

#include

#include

using namespace std;

int main()

{

string s1[]= {"H" , "t" };

string s;

for (int i=0; i<2; i++) {

s = s1[i];

s.insert(1,"ow");

cout << s;

}

return( 0 );

}

A.

It prints: How

B.

It prints: Ht

C.

It prints: Hoto

D.

It prints: Howtow