Principles and Programming MCQs > FREE SET - 3

	1. A section of code to which control is transferred when a processor is interrupted is known as
	A M B SVC C IP D MDR Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	2. Which of the following type of class allows only one object of it to be created in C++?
	A Virtual class B Abstract class C Singleton class D Friend class Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	3. Which of the following is not a type of constructor in C++?
	A Copy constructor B Friend constructor C Default constructor D Parameterized constructor Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	4. Which of the following statements is correct in C++?
	A Base class pointer cannot point to derived class. B Derived class pointer cannot point to base class. C Pointer to derived class cannot be created. D Pointer to base class cannot be created. Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	5. Which of the following is not the member of class in C++?
	A Static function B Friend function C Const function D Virtual function Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	6. Which of the following concepts means determining at runtime what method to invoke in C++?
	A Data hiding B Dynamic Typing C Dynamic binding D Dynamic loading Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	7. Which of the following term is used for a function defined inside a class in C++?
	A Member Variable B Member function C Class function D Classic function Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	8. Which of the following concept of oops allows compiler to insert arguments in a function call if it is not specified?
	A Call by value B Call by reference C Default arguments D Call by pointer Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	9. How many instances of an abstract class can be created in C++?
	A 1 B 5 C 13 D 0 Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	10. Which of the following cannot be friend in C++?
	A Function B Class C Object D Operator function Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	11. Which of the following concepts of OOPS means exposing only necessary information to client?
	A Encapsulation B Abstraction C Data hiding D Data binding Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	12. Why reference is not same as a pointer in C++?
	A A reference can never be null. B A reference once established cannot be changed. C Reference doesn't need an explicit dereferencing mechanism. D All of the above. Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	13. cout is a/an __________ in C++.
	A operator B function C object D macro Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	14. Which of the following concepts provides facility of using object of one class inside another class in C++?
	A Encapsulation B Abstraction C Composition D Inheritance Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	15. How many types of polymorphisms are supported by C++?
	A 1 B 2 C 3 D 4 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	16. Which of the following is an abstract data type in C++?
	A int B double C string D Class Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	17. Which of the following concepts means adding new components to a program as it runs in C++?
	A Data hiding B Dynamic typing C Dynamic binding D Dynamic loading Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	18. Which of the following statement is correct in C++?
	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. Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	19. Which of the following correctly describes overloading of functions in C++?
	A Virtual polymorphism B Transient polymorphism C Ad-hoc polymorphism D Pseudo polymorphism Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	20. Which of the following approach is adapted by C++?
	A Top-down B Bottom-up C Right-left D Left-right Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	21. Which of the following is correct about function overloading in C++?
	A The types of arguments are different. B The order of argument is different. C The number of argument is same. D Both A) and B) Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	22. Which of the following is correct about class and structure in C++?
	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. Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	23. Which of the following concepts means wrapping up of data and functions together in C++?
	A Abstraction B Encapsulation C Inheritance D Polymorphism Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	24. Which of the following concepts means waiting until runtime to determine which function to call in C++?
	A Data hiding B Dynamic casting C Dynamic binding D Dynamic loading Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	25. How "Late binding" is implemented in C++?
	A Using C++ tables B Using Virtual tables C Using Indexed virtual tables D Using polymorphic tables Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	26. Which of the following operator is overloaded for object cout in C++?
	A >> B << C + D = Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	27. Which of the following is the correct class of the object cout in C++?
	A iostream B istream C ostream D ifstream Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	28. Which of the following cannot be used with the keyword virtual in C++?
	A class B member functions C constructor D destructor Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	29. Which of the following functions are performed by a constructor in C++?
	A Construct a new class B Construct a new object C Construct a new function D Initialize objects Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	30. Which of the following problem causes an exception in C++?
	A Missing semicolon in statement in main(). B A problem in calling function. C A syntax error. D A run-time error. Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	31. Which one of the following options is correct about the C++ statement given below? The compiler checks the type of reference in the object and not the type of object.
	A Inheritance B Polymorphism C Abstraction D Encapsulation Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	32. Which of the following is the correct way of declaring a function as constant in C++?
	A const int ShowData(void) { /* statements */ } B int const ShowData(void) { /* statements */ } C int ShowData(void) const { /* statements */ } D Both A and B Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	33. Which of the following concepts is used to implement late binding in C++?
	A Virtual function B Operator function C Const function D Static function Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	34. Which of the following statement is correct in C++?
	A C++ allows static type checking. B C++ allows dynamic type checking. C C++ allows static member function be of type const. D Both A and B. Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	35. Which of the following factors supports the statement that reusability is a desirable feature of a language?
	A It decreases the testing time. B It lowers the maintenance cost. C It reduces the compilation time. D Both A) and B) Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	36. Which of the following ways are legal to access a class data member using this pointer in C++?
	A this->x B this.x C *this.x D *this-x Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	37. Which of the following is a mechanism of static polymorphism in C++?
	A Operator overloading B Function overloading C Templates D All of the above Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	38. What happens if the base and derived class contains definition of a function with same prototype in C++?
	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. Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	39. Which of the following are available only in the class hierarchy chain in C++?
	A Public data members B Private data members C Protected data members D Member functions Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	40. Which of the following is not a type of inheritance in C++?
	A Multiple B Multilevel C Distributive D Hierarchical Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	41. Which of the following operators cannot be overloaded in C++?
	A [] B -> C ?: D * Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	42. In which of the following a virtual call is resolved at the time of compilation in C++?
	A From inside the destructor. B From inside the constructor. C From inside the main(). D Both A) and B) Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	43. Which of the following statements regarding C++ inline functions is correct?
	A It speeds up execution. B It slows down execution. C It increases the code size. D Both A) and C) Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	44. Which of the following header file includes definition of cin and cout in C++?
	A istream.h B ostream.h C iomanip.h D iostream.h Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	45. Which of the following keyword is used to overload an operator in C++?
	A overload B operator C friend D override Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	46. What will happen if a class is not having any name in C++?
	A It cannot have a destructor. B It cannot have a constructor. C It is not allowed. D Both A) and B) Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	47. Which inheritance type is used in the C++ class given below? class A : public X, public Y {}
	A Multilevel inheritance B Multiple inheritance C Hybrid inheritance D Hierarchical Inheritance Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	48. Which of the following is an invalid visibility label while inheriting a class in C++?
	A public B private C protected D friend Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	49. Which one of the following options is correct in C++?
	A Friend function can access public data members of the class. B Friend function can access protected data members of the class. C Friend function can access private data members of the class. D All of the above. Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	50. Which of the following statements is correct in C++?
	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. Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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