Discussion
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- Question
Which of the following is the correct class of the object cout?
Options- A. iostream
- B. istream
- C. ostream
- D. ifstream
- Correct Answer
- ostream
- 1. 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
- 2. 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
- 3. 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. Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. Which of the following concepts of OOPS means exposing only necessary information to client?
Options- A. Encapsulation
- B. Abstraction
- C. Data hiding
- D. Data binding Discuss
- 9. Which of the following statements is correct in C++?
Options- A. Classes cannot have data as protected members.
- B. Structures can have functions as members.
- C. Class members are public by default.
- D. Structure members are private by default. Discuss
- 10. Which of the following is not a type of inheritance?
Options- A. Multiple
- B. Multilevel
- C. Distributive
- D. Hierarchical Discuss
OOPS Concepts problems
Search Results
Correct Answer: Polymorphism
Correct Answer: Both A and C.
Correct Answer: Base class object will call base class function and derived class object will call derived class function.
Correct Answer: Virtual function
Correct Answer: iostream.h
Correct Answer: Only I is correct.
Correct Answer: class data members are private by default while that of structure are public by default.
Correct Answer: Data hiding
Correct Answer: Structures can have functions as members.
Correct Answer: Distributive
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