Improve Your Knowledge with CPA-21-02 Exam Dumps

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May 31, 2023

Practicing with CPA-21-02 questions can help you identify areas where you need to improve your knowledge. By answering CPA-21-02 questions and reviewing your responses, you can identify gaps in your understanding and focus your study efforts on those areas. The CPA-21-02 exam has a strict time limit, and you need to manage your time effectively to answer all the questions. Practicing with C++ Institute CPA-21-02 dumps questions can help you develop time management skills by simulating the exam's time constraints. You'll learn how to pace yourself, manage your time effectively, and ensure that you complete the CPA-21-02 exam within the allotted time. Test C++ Institute CPA-21-02 exam free dumps below.

Page 1 of 8

1. Which of the following can be checked in a switch? Case statement?

char

int

enum

double

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

#include

using namespace std;

int main(){

int i = 1;

if (i++==1) {

cout << i;

} else {

cout << i-1;

}

return 0;

}

It prints: 0

It prints: 1

It prints: -1

It prints: 2

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

#include

using namespace std;

#define FUN(arg) if(arg) cout<<"Test";

int main()

{

int i=1;

FUN(i<3);

return 0;

}

It prints: 0

It prints: T

It prints: T0

It prints: Test

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

#include

#include

using namespace std;

void fun(int i);

int main()

{

int i=0;

i++;

for (i=0; i<=5; i++)

{

fun(i);

}

return 0;

}

void fun(int i)

{

if (i==3)

return;

cout << i;

}

It prints: 05

It prints: 012345

It prints: 01245

It prints: 0

5. 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;

}

Error in “if” statement

Error in “for” loop

No error

Error in break statement

6. Which of the structures is incorrect?

1:

struct s1{

int x;

long int li;

};

2:

struct s2{

float f;

struct s2 *s;

};

3:

struct s3{

float f;

struct s3 s;

};

2, 3

7. What is the output of the program?

#include

#include

using namespace std;

class First

{

string name;

public:

First() {

name = "Alan";

}

void setName(string n) {this?>name = n;}

void setName() {this?>name = "John";}

void Print(){

cout << name;

}

};

int main()

{

First ob1, *ob2;

ob2 = new First();

First *t;

t = &ob1;

t?>setName();

t?>Print();

t = ob2;

t?>setName("Steve");

ob2?>Print();

}

It prints: JohnSteve

It prints: AlanAlan

It prints: AlanSteve

It prints: JohnAlan

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 A {

public:

virtual 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();

}

It prints: BBB

It prints: AAA

It prints: ABC

It prints: ABB

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

#include

using namespace std;

int main(){

int i = 1;

for(i=10; i>-1; i/=2) {

if(!i)

break;

}

cout << i;

return 0;

}

It prints: 0

It prints: 1

It prints: -1

Compilation error

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

#include

using namespace std;

void set(struct person*);

struct person

{

int age;

};

int main()

{

struct person e = {18};

set(&e);

cout<< e.age;

return 0;

}

void set(struct person *p)

{

p?>age = p?>age + 1;

}

It prints: 18

It prints: 19

It prints: 20

It prints: 0

Page 2 of 8

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

#include

using namespace std;

class First

{

public:

void Print(){ cout<<"from First";}

};

class Second

{

public:

void Print(){ cout<< "from Second";}

};

int main()

{

Second t[2];

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

t[i].Print();

}

It prints: from First

It prints: from Firstfrom First

It prints: from Secondfrom Second

It prints: from Second

12. What is the output of the program if character “1” is supplied as input?

#include

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';

}

}

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;

}

It prints: float exception. Exception Nr. 5.2

It prints: int exception. Exception Nr. 20

It prints: An exception occurred

Compilation Error

13. 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);

}

It prints: How

It prints: Ht

It prints: Hoto

It prints: Howtow

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

#include

using namespace std;

int fun(int x);

int main() {

cout << fun(0);

return 0;

}

int fun(int x) {

if(x > 0)

return fun(x-1);

else

return 100;

}

It prints: 0

It prints: 10

It prints: 100

It prints: -1

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

#include

using namespace std;

int main()

{

const char *s;

char str[] = "Hello ";

s = str;

while(*s) {

cout << *++s;

*s++;

}

return 0;

}

It will print:"el "

The code will not compile.

It will print:"Hello "

It will print garbage value

16. 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;

}

It prints: 3, 2

It prints: 4, 2

It prints: 3, 3

It prints: 9, 2

17. What is the output of the program?

#include

using namespace std;

int main()

{

int tab[4]={10,20,30,40};

tab[1]=10;

int *p;

p=&tab[0];

cout<<*p;

return 0;

}

It prints: 10

It prints: 20

It prints: 11

It prints: 30

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

#include

using namespace std;

class First

{

public:

void Print(){ cout<<"from First";}

};

class Second

{

public:

void Print(){ cout<< "from Second";}

};

int main()

{

First FirstObject;

FirstObject.Print();

Second SecondObject;

SecondObject.Print();

}

It prints: from First

It prints: from Firstfrom First

It prints: from Firstfrom Second

It prints: from Secondfrom Second

19. What is the output of the program if character 2 is supplied as input?

#include

using namespace std;

int main () {

int c;

cin >> c;

try

{

switch (c)

{

case 1:

throw 20;

case 2:

throw 5.2f;

}

}

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;

}

It prints: float exception. Exception Nr.

It prints: int exception. Exception Nr. 20

It prints: An exception occurred

It prints: float exception. Exception Nr. 5.2

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

#include

using namespace std;

int main()

{

union un

{

int x;

char c;

};

union un u1 = {10};

union un u2 = {'a'};

union un u3 = {20, 'a'};

cout<
cout<
cout<
return 0;

}

It prints: 10aa

It prints: 10a20a

It prints: 1a

Compilation error

Page 3 of 8

21. 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;

}

It prints: 5 1.5

It prints: 3.14 10

Compilation error

None of these

22. What is the output of the program?

#include

#include

using namespace std;

union t

{

char c;

int i;

};

class First

{

union t u;

public:

First() {

u.c = 'A';

}

void Print(){

cout << u.c;

}

};

int main()

{

First *t = new First();

t?>Print();

}

Garbage value

It prints: A

It prints: A 65

Compilation error

23. 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;

}

It prints: 0

It prints: 4.9

It prints: 5

It prints: 4

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

It prints: 33

It prints: 007

It causes a compilation error

lit prints: 9

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

#include

using namespace std;

void fun(int);

int main()

{

int a=0;

fun(a);

return 0;

}

void fun(int n)

{

if(n < 2)

{

fun(++n);

cout << n;

}

}

It prints: 21

It prints: 012

It prints: 0

None of these

26. Which of the following is a logical operator?

27. What is the expected result of the following program?

It prints: 4

The program enters an infinite loop

It prints: 42

It prints: 420

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

#include

using namespace std;

class A {

public:

int x;

A() { x=0;}

};

class B: protected A {

public:

int y;

using A:x;

B(int y) {this?>y = y;}

void Print() { cout << x << y; }

};

int main () {

B b(5);

b. Print();

return 0;

}

It prints: 05

It prints: 0

It prints: 5

It prints: 15

29. What is the output of the program if character 3 is supplied as input?

#include

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';

}

}

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;

}

It prints: float exception. Exception Nr.

It prints: int exception. Exception Nr.

It prints: An exception occurred.

It prints: float exception. Exception Nr.

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

#include

using namespace std;

int getValue();

int main()

{

const int x = getValue();

cout<
return 0;

}

int getValue()

{

return 5;

}

It will print 0

The code will not compile.

It will print 5

It will print garbage value

Page 4 of 8

31. 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;

}

It prints: 1,2

It prints: ?1,1

It prints: 1,1

It prints: 3,3

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

It prints: 1

It causes a compilation error

It prints: 0

It prints: My exception,

33. What is the output of the program?

#include

#include

using namespace std;

int main()

{

string s1="Hello";

string s2="World";

s1+=s2;

cout << s1;

return (0);

}

It prints: HelloWorld

It prints: Hello

It prints: World

It prints: HelWorld

34. 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();

}

It prints: hello

It prints: olleh

It prints: h

It prints: o

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

#include

using namespace std;

int main()

{

int c = 'a';

switch(i)

{

case '2':

cout<<"OK";

case '1':

cout<<"Error";

default:

break;

}

return 0;

}

No Error

Use of undeclared identifier 'i'

Illegal use of 'continue'

Illegal use of 'break'

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

#include

#include

using namespace std;

class complex{

double re, im;

public:

complex() : re(1),im(0.4) {}

complex operator?(complex &t);

void Print() { cout << re << " " << im; }

};

complex complex::operator? (complex &t){

complex temp;

temp.re = this?>re ? t.re;

temp.im = this?>im ? t.im;

return temp;

}

int main(){

complex c1, c2, c3;

c3 = c1 ? c2;

c3.Print();

}

It prints: 1 0.4

It prints: 2 0.8

It prints: 0 0

It prints: 1 0.8

37. Which of the following is a user defined data type?

1:

struct person

{

char name[20];

int age;

};

2:

int l=2;

3:

enum color {red,blue, green};

D.

char c;

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

#include

using namespace std;

class complex{

double re;

double im;

public:

complex() : re(0),im(0) {}

complex(double x) { re=x,im=x;};

complex(double x,double y) { re=x,im=y;}

void print() { cout << re << " " << im;}

};

int main(){

complex c1(1,2);

c1.print();

return 0;

}

It prints: 1 0

It prints: 1 1

It prints: 1 2

Compilation error

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

#include

using namespace std;

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

char *s = "ABCDEF";

cout << s+2;

return 0;

}

It prints: CDEF

It prints: ABCDEF

It prints: BCDEF

None of these

40. What will be the output of the program?

#include

using namespace std;

int main ()

{

const int y = 5;

const x = ?10;

cout<
return 0;

}

?10 5

5 ?10

Compilation error

None of these

Page 5 of 8

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

#include

#include

using namespace std;

class SampleClass

{

string *s;

public:

SampleClass() { s = new string("Text");}

SampleClass(string s) { this?>s = new string(s);}

~SampleClass() { delete s;}

void Print(){ cout<<*s;}

};

int main()

{

SampleClass *obj;

obj = new SampleClass("Test");

obj?>Print();

}

It prints: Text

It prints: Test

It prints: TextTest

Garbage value.

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

#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:

void set() {

y = 4;

z = "John";

}

void Print() {

cout << y << z;

}

};

int main () {

B b;

b.set();

b.Print(); return 0;

}

It prints: 4John

It prints: 2John

It prints: 23

It prints: 43

43. 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();

}

Garbage value

It prints: AlanAlan

It prints: Alan

It prints: Al

44. 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(0);

cout << i;

return 0;

}

It prints: 0

It prints: 1

It prints: -1

Compilation error

45. 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];

if (i==0)

s.insert(1,"ow");

else

s.push_back('o');

cout << s;

}

return (0);

}

It prints: Hoto

It prints: Ht

It prints: toHo

It prints: Howto

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

#include

#include

using namespace std;

class A {

public:

int age;

A () { age=5; };

};

class B: private A {

string name;

public:

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

void Print() {

cout << name << age;

}

};

int main () {

B b,*ob;

ob = &b;

ob?>age = 10;

ob?>Print();

return 0;

}

It prints: Bob55

It prints: Bob1

It prints: 10

Compilation error

47. 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 A

{

public:

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

};

int main()

{

A *obj;

A ob1;

obj = &ob1;

obj?>Print();

B ob2;

obj = &ob2;

obj?>Print();

}

It prints: AB

It prints: AA

It prints: BA

It prints: BB

48. 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();

}

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

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

virtual void Print(string s){ cout<

None of these

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

#include

using namespace std;

class A {

public:

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

};

class C:public A {

public:

virtual void Print()=0;

};

int main()

{

C obj3;

obj3?>Print();

}

It prints: BB

It prints: A

It prints: AB

Compilation error

50. Which of the following structures are correct?

1:

struct s1{

int x;

char c;

};

2:

struct s2{

float f;

struct s2 *s;

};

3:

struct s3{

float f;

in i;

}

All of these

Page 6 of 8

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

#include

using namespace std;

int main()

{

int x=2, *y;

y = &x;

cout << *y + x;

return 0;

}

It prints: 1

It prints: 2

It prints: 4

It prints: 0

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

It prints: BAD

It prints: BACD

It prints: ABCD

It prints: BAC

53. Point out an error in the program.

#include

using namespace std;

int main()

{

char s1[] = "Hello";

char s2[] = "world";

char *const ptr = s1;

*ptr = 'a';

ptr = s2;

return 0;

}

No error

Cannot modify a const object

Compilation error at line 9

None of these

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

#include

using namespace std;

class A {

public:

virtual void Print()=0;

};

class B: public A {

public:

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

};

class C: public A {

public:

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

};

int main()

{

Bob2;

Cob3;

A*obj;

obj = &ob2;

obj?>Print();

obj = &ob3;

obj?>Print();

}

It prints: BC

It prints: CB

It prints: CC

It prints: BB

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

#include

using namespace std;

int s(int n);

int main()

{

int a;

a = 3;

cout << s(a);

return 0;

}

int s(int n)

{

if(n == 0) return 1;

return s(n?1)*n;

}

It prints: 4

It prints: 6

It prints: 3

It prints: 0

56. Which of the following operations is INCORRECT?

int i=15;

long int k=123

float f=12,2;

double d=12;

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

#include

using namespace std;

void fun(int &i);

int main()

{

int i=2;

fun(i);

cout<
return 0;

}

void fun(int &i)

{

i+=2;

}

It prints: 2

It prints: 0

It prints: 4

It prints: 16

58. Which of the following statements are true? (Choose two.)

Class A's friend's friend is also a friend of class A

Friendship is inherited

A class may be a friend of many classes

A class may have many friends

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

#include

#include

using namespace std;

class A {

int x;

protected:

int y;

public:

int z;

};

class B: public A {

string name;

public:

void set() {

y = 2;

z = 3;

}

void Print() { cout << y << z; }

};

int main () {

B b;

b.set();

b.Print();

return 0;

}

It prints: 123

It prints: 000

It prints: 23

It prints: 12

60. 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) { z = x + y; }

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;

b.Print();

return 0;

}

It prints: 3

It prints: 0

It prints: 1

It prints: 2

Page 7 of 8

61. Which definitions are correct?

int age;

int double;

char c;

int char;

62. 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;

}

It prints: 01

It prints: 1

It prints: 0

It prints: 0123

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

#include

#include

using namespace std;

class A {

public:

A() { cout << "A no parameters";}

A(string s) { cout << "A string parameter";}

A(A &a) { cout << "A object A parameter";}

};

class B: public A {

public:

B() { cout << "B no parameters";}

B(string s) { cout << "B string parameter";}

B(int s) { cout << "B int parameter";}

};

int main () {

A a2("Test");

B b1(10);

B b2(b1);

return 0;

}

It prints: A no parametersA no parametersB string parameter

It prints: A string parameterA no parametersB int parameterA object A parameter

It prints: A no parametersB string parameter

It prints: A no parametersA no parameters

64. Which of the following statements are correct?

A function can be defined inside another function

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

A function can return floating point value

In a function two return statements should never occur.

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

#include

#include

using namespace std;

class A {

public:

int x;

A() { x=0;}

A(int x) { this?>x=x;}

};

class B: private A {

public:

using A:x;

B() { x=1;}

B(int x) {this?>x = x;}

};

int main () {

B c1;

B c2(?5);

cout << c1.x;

cout << c2.x;

return 0;

}

It prints: 5

It prints: 1?5

It prints: 05

It prints: 0

66. 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;

}

It prints: 1

It prints: 100

It prints: 0

It prints: 10

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

#include

using namespace std;

#include

using namespace std;

class First

{

public:

void Print(){ cout<<"from First";}

};

int main()

{

First t[2];

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

t[i].Print();

}

It prints: from First

It prints: from Firstfrom First

Compilation error

Runtime error.

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

#include

using namespace std;

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

{

int x,y;

union t

{

char tab[2];

int i;

};

union t u;

u.tab[0] = 1;

u.tab[1] = 2;

u.i = 0;

x = u.tab[0];

y = u.tab[1];

cout << x << "," << y << "," << u.i;

return 0;

}

compilation fails

It prints: 0,0,0

It prints: 1,2,0

None of these

69. Which code lines inserted independently instead of the comment will make the following program work correctly? (Choose three.)

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

int main (int c, char *v[])

int main

void main ()

70. 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 () {

namespace newname = myNamespace1;

using namespace newname;

cout << x << " ";

cout << y;

return 0;

}

It prints: 5 1.5

It prints: 3.14 1.5

It prints: 5 10

It prints: 5

Page 8 of 8

71. What is the output of the program given below?

#include

using namespace std;

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

{

int i=10;

{

int i=0;

cout<
}

{

int i=5;

cout << i;

}

cout<
return 0;

}

1010

101010

0510

None of these

72. Which code, inserted at line 10, generates the output "2?1"?

#include

#include

using namespace std;

class A {

protected:

int y;

public:

int z;

};

//insert code here

public:

void set() {

y = 2;

z = 3;

}

void Print() { cout << y << z; }

};

int main () {

B b;

b.set();

b.z = ?1;

b.Print();

return 0;

}

class B: private A {

class B: public A {

class B: protected A {

class B {

73. The following declaration:

int i = 0b10;

is invalid

sets variable i with an integer value equal to 10

sets variable i with an integer value equal to 2 (10 binary)

sets variable i with an integer value equal to 8 (10 octal)

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

#include

using namespace std;

class complex{

double re;

double im;

public:

complex() : re(0),im(0) {}

complex(double x) { re=x,im=x;};

complex(double x,double y) { re=x,im=y;}

void print() { cout << re << " " << im;}

};

int main(){

complex c1;

c1.print();

return 0;

}

It prints: 1 0

It prints: 1 1

It prints: 0 0

Compilation error

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

#include

#include

using namespace std;

class A {

int x;

protected:

int y;

public:

int z;

};

class B: private A {

string name;

public:

void set() {

x = 1;

}

void Print() {

cout << x;

}

};

int main () {

B b;

b.set();

b.Print();

return 0;

}

It prints: 123

It prints: 1

It prints: ?123

Compilation error

76. What is the meaning of the following declaration? (Choose two.)

char **ptr;

ptr is a pointer to a pointer to char

ptr is a pointer to char*

ptr is a pointer to a pointer to a pointer to char

ptr is a pointer to char

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

#include

using namespace std;

void fun(int*);

int main()

{

int *x;

int i=2;

x=&i;

fun(x);

cout<
return 0;

}

void fun(int *i)

{

*i = *i * *i;

}

It prints: 2

It prints: 4

It prints: 0

It prints: 1

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

#include

using namespace std;

int main()

{

int x,y=10;

float f;

f = 5.90;

cout << f << ", ";

x=f;

cout << x <<", ";

f=y;

cout << f;

return 0;

}

It prints: 5, 5, 10.00

It prints: 5.9, 5, 10

It prints: 6, 5, 10

It prints: 6, 5, 10.00

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