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- Question
What happens if the base and derived class contains definition of a function with same prototype?
Options- A. Compiler reports an error on compilation.
- B. Only base class function will get called irrespective of object.
- C. Only derived class function will get called irrespective of object.
- D. Base class object will call base class function and derived class object will call derived class function.
- Correct Answer
- Base class object will call base class function and derived class object will call derived class function.
- 1. Which of the following concepts is used to implement late binding?
Options- A. Virtual function
- B. Operator function
- C. Const function
- D. Static function Discuss
- 2. Which of the following header file includes definition of cin and cout?
Options- A. istream.h
- B. ostream.h
- C. iomanip.h
- D. iostream.h Discuss
- 3. cout is a/an __________ .
Options- A. operator
- B. function
- C. object
- D. macro Discuss
- 4. Which of the following statement is correct?
Options- A. A constructor is called at the time of declaration of an object.
- B. A constructor is called at the time of use of an object.
- C. A constructor is called at the time of declaration of a class.
- D. A constructor is called at the time of use of a class. Discuss
- 5. Which of the following access specifier is used as a default in a class definition?
Options- A. protected
- B. public
- C. private
- D. friend Discuss
- 6. Which of the following statements regarding inline functions is correct?
Options- A. It speeds up execution.
- B. It slows down execution.
- C. It increases the code size.
- D. Both A and C. Discuss
- 7. Which one of the following options is correct about the statement given below? The compiler checks the type of reference in the object and not the type of object.
Options- A. Inheritance
- B. Polymorphism
- C. Abstraction
- D. Encapsulation Discuss
- 8. Which of the following is the correct class of the object cout?
Options- A. iostream
- B. istream
- C. ostream
- D. ifstream Discuss
- 9. Which one of the following is correct about the statements given below?
- All function calls are resolved at compile-time in Procedure Oriented Programming.
- All function calls are resolved at compile-time in OOPS.
Options- A. Only II is correct.
- B. Both I and II are correct.
- C. Only I is correct.
- D. Both I and II are incorrect. Discuss
- 10. Which of the following is correct about class and structure?
Options- A. class can have member functions while structure cannot.
- B. class data members are public by default while that of structure are private.
- C. Pointer to structure or classes cannot be declared.
- D. class data members are private by default while that of structure are public by default. Discuss
OOPS Concepts problems
Search Results
Correct Answer: Virtual function
Correct Answer: iostream.h
Correct Answer: object
Correct Answer: A constructor is called at the time of declaration of an object.
Correct Answer: private
Correct Answer: Both A and C.
Correct Answer: Polymorphism
Correct Answer: ostream
Correct Answer: Only I is correct.
Correct Answer: class data members are private by default while that of structure are public by default.
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