C++ Institute CPA-21-02 Online Practice Questions and Exam Preparation

C++ Institute CPA-21-02 Online Questions & Answers

• Question 101:

  What happens if you try to compile and run this program?

  #include

  using namespace std;

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

  {

  print("Test");

  return 0;

  }

  void print(int c[])

  {

  cout<

  }

  A. It prints: Test
  B. Compilation fails
  C. Program terminates abnormally
  D. None of these
  B. Compilation fails

• Question 102:

  A condition expression used by if(), while(), and do-while() must evaluate to and only to:

  A. an int type value
  B. any value that can be treated as truth/falsehood
  C. a float type value
  D. a bool type value
  B. any value that can be treated as truth/falsehood

• Question 103:

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

  #include

  using namespace std; int main()

  {

  int i = 5;

  cout<<"Hello World" << ++i;

  return 0;

  }

  A. It prints: Hello World6
  B. It prints: Hello
  C. It prints: World
  D. It prints: Hello World5
  A. It prints: Hello World6

• Question 104:

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

  #include

  using namespace std;

  void fun(int*);

  int main()

  {

  int i=2;

  fun(andi);

  cout<

  return 0;

  }

  void fun(int *i)

  {

  *i = *i**i;

  }

  A. It prints: 1
  B. It prints: 4
  C. It prints: 10
  D. It prints: 0
  B. It prints: 4

• Question 105:

  Analyze the code below. If it contains an error, indicate its place in the program.

  

  A. Error in the for loop
  B. Error in the break statement
  C. No error
  D. Error in the if statement
  C. No error

• Question 106:

  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 = 5.20;

  x=(int) f;

  cout << x <<", ";

  f=float (y);

  cout << f;

  return 0;

  }

  A. It prints: 5, 10
  B. It prints: 5.2, 10
  C. It prints: 5.20, 10.0
  D. It prints: 5.2, 10.00
  A. It prints: 5, 10

• Question 107:

  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 anda) { cout << "A object A parameter";}

  };

  class B : public A {

  public:

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

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

  int main () {

  A a2("Test");

  B b1("Alan");

  B b2(b1);

  return 0;

  }

  A. It prints: A no parametersA no parametersB string parameter
  B. It prints: A string parameterA no parametersB string parameterA object A parameter
  C. It prints: A no parametersB string parameter
  D. It prints: A no parametersA no parameters
  B. It prints: A string parameterA no parametersB string parameterA object A parameter

• Question 108:

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

  #include

  using namespace std;

  void fun(int andi);

  int main()

  {

  int i=2;

  fun(i);

  cout<

  return 0;

  }

  void fun(int andi)

  {

  i+=2;

  }

  A. It prints: 2
  B. It prints: 0
  C. It prints: 4
  D. It prints: 16
  C. It prints: 4

• Question 109:

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

  #include

  using namespace std;

  int fun(int x) {

  return x<<2;

  }

  int main(){

  int i;

  i = fun(1) / 2;

  cout << i;

  return 0;

  }

  A. It prints: 0
  B. It prints: 1
  C. It prints: 2
  D. It prints: 4
  C. It prints: 2

• Question 110:

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

  #include

  using namespace std;

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

  {

  int tab[5]={1,2,3};

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

  cout <

  return 0;

  }

  A. compilation fails
  B. It prints: 12300
  C. It prints: 12345
  D. It prints: 00000
  B. It prints: 12300