61. Pick out the correct option.

1. 1. We can make an instance of an abstract super class

   
   
   

   2. We cannot make an instance of an abstract base class

   
   
   

   3. We can make an instance of an abstract base class

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   We cannot make an instance of an abstract base class

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62. Where does the abstract class is used?

1. 1. funciton

   
   
   

   2. derived class

   
   
   

   3. base class only

   
   
   

   4. both derived & base class

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   base class only

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63. Which interface determines how your class will be used by another program?

1. 1. private

   
   
   

   2. protected

   
   
   

   3. public

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   If we invoked the interface as public means, We can access the program from other programs also.

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64. Pick out the correct statement about the override.

1. 1. Overriding refers to a derived class

   
   
   

   2. Overriding refers to a derived class function that has the same name and signature as a base class virtual function

   
   
   

   3. Overriding has different names

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Overriding refers to a derived class function that has the same name and signature as a base class virtual function

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65. What does the cerr represent?

1. 1. Output stream

   
   
   

   2. Input stream

   
   
   

   3. Standard logging stream

   
   
   

   4. Standard error stream

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   cerr is an object of class ostream that represents the standard error stream. It is associated with the cstdio stream stderr.

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