> I am confused about some mcq's answers. so need help in solving those mcq's.
> i shall be very thankful to all those who will answer these mcq's
> ............
>
> 1. Memory is allocated to non static members only when:
>
> a. class is created.
> b. object is defined.
> 3. object is initialized.
> 4. object is created.
>
>
> 2. If we create array of objects through new operator, then:
>
> a. we can call overloaded constructors through new.
> b. we can't call overloaded constructor through new.
> c. we can call default constructor through new.
> d. None of the given
>
>
> 3. ___________ operator will take only one operand.
>
> a. new
> b. int
> c. object
> d. none of the given
>
>
>
> 4. which of the following operators takes one or no argument if overloaded.
> a. ++
> b. *
> c. %
> d. All of the given choices
>
>
> 5. consider the code below, class class1{public:void func1();}; class
> class2: private class1{}; function func1 of class1 is _________ in class2,
>
> a. public
> b. protected
> c. private
> d.none of the above
>
> 6. Friend functions of a class are __________ members of that class.
>
> a. public
> b. private
> c. protected
> d. none of the above
>
>
> 7. in private inheritance derived class pointer can be assigned to base
> class pointer in:
>
> a. main function
> b. in derived class member and friend functions
> c. in base class member and friend function
> d. none of the above
>
>
> 8. Consider the following two lines of code written for a class Student, 1.
> Student sobj1, sobj2; 2. sobj2=sobj1;
> In line number 2, what constructor of Student class will be called?
>
> a. default constructor of Student class
> b. copy constructor of student class
> c. both default and copy constructor of Student class
> d. No constructor will be called
>
>
> 9. Associatively can be changed in operator overloading.
>
> a. true
> b. false
>
>
> 10. __________ and __________ are methods may not be declared abstract.
>
> a. private, static
> b. private, public
> c. static, public
> d. none of the above
>
>
> 11. let suppose a class Student with objects std1, std2, std3. for the
> statement std3=std1-std2 to work correctly, if overloaded - operator must:
>
> a. take two arguments
> b. none of the choices
> c. take single argument
> d. take three arguments
>
>
> 12. To initialize an array of objects, only ______ will be called.
>
> a. default constructor
> b. overloaded constructor
> c. default object
> d. none of the above
>
>
> 13. Consider the following two lines of code written for a class Student, 1.
> Student sobj1; 2. sobj2=sobj1;
> In line number 2, what constructor of Student class will be called?
>
> a. default constructor of Student class
> b. copy constructor of student class
> c. both default and copy constructor of Student class
> d. None of the given options
>
>
> 14. Virtual functions allows you to:
>
> a. create an array of type pointer-to-base class that can hold pointers to
> derived classes
> b. create functions that can never be accessed.
> c. group objects of different classes so they can all be accessed by the
> same function code.
> d. use the same function call to execute member functions of objects from
> different classes.
>
>
> 15. A real world object can be transformed into programming entity by
> defining its respective:
>
> a. class
> b. function
> c. only states
> d. only behavior
>
> 16. Which of the following is a necessary ingredient in an object model.
>
> a. class
> b. objects
> c. association
> d. all of the given options
>
>
> 17. If a class A inherits from class B, then A is called:
>
> a. child class
> b. derived class
> c. parent class
> d. child and derived class
>
>
> 18. "A fan has wings". Which type of relation exists between fan and wings
> in this sentence?
>
> a. aggregation
> b. association
> c. generalization
> d. composition
>
>
> 19. There is only one form of copy constructor.
>
> a. true
> b. false
>
>
> 20. Through interface we access object _______ .
>
> a. states
> b. data members
> c. behavior
> d. none of the given
>
>
> 21. If some of objects exhibit identical characteristics, then they belong
> to:
>
> a. different classes
> b. multiple classes
> c. same class
> d. none of the given
>
>
> 22. Which is true about sub-typing in case of inheritance?
>
> a. in subtyping a new class is derived from existing ......
> b. extended behavior of its parent
> c. in subtyping a new class is derived from existing/ in subtyping a class
> is derived from existing one when .......
> d. none of the given
>
>
> 23. If a class involves dynamic memory allocation, then:
>
> a. default copy construct, shallow copy is implemented
> b. user defined copy constructor, shallow copy is implemented
> c. default copy constructor, deep copy is implemented
> d. user defined copy constructor, deep copy is implemented
>
>
> 24. Three main characteristics of object oriented programming are:
>
> a. encapsulation, dynamic binding, polymorphism
> b. polymorphism, overloading, overriding
> c. encapsulation, inheritance, dynamic binding
> d. encapsulation, inheritance, polymorphism
>
>
> 25. The sentence "Object oriented programming book in bookshelf" is an
> example of:
>
> a. association
> b. Multiple association
> c. aggregation
>
>
> 26. Data members are the attributes of the objects
>
> a. true
> b. false
>
>
> 27. Constructor have same name as class name.
>
> a. true
> b. false
>
>
> 28. Which of the following is a weak relationship between two objects?
>
> a. inheritance
> b. composition
> c. aggregation
> d. none of the above
>
>
> 29. Without using deep copy constructor, a __ problem can occur.
>
> a. system crash
> b. memory leakage
> c. dangling pointer
> d. all of the given
>
>
> 30. An abstract class shows ____ behavior.
>
> a. overriding
> b. specific
> c. general
> d. none of the above
>
>
> 31. Consider the statement "room has chair". which of the following type of
> association exists between room and chair?
>
> a. inheritance
> b. composition
> c. there is no association
> d. aggregation
>
>
> 32. The dot operator (or class member access operator) connects the
> following two entities (reading from left to right).
>
> a. a class member and a class object
> b. a class object and a class
> c. a class and a member of that class
> d. a class object and a member of that class
>
> --
> ██████████████████ Basic Group Rules ███████████████████
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> purpose, Websites/Groups Links, Adult contents, Criticize-able Islamic
> stuff, Spreading disruption, Spamming are strictly prohibited and banned in
> group.
> █████████████████████████████████████████████████
>
> Follow these detailed Group Rules, otherwise you will be banned at any time.
> https://docs.google.com/document/d/1YJxA8x3_U7C1lRc0EXfLrJpco4A1XkB1vDxOTqOd3Jg/edit?hl=en&authkey=CNDy9tkJ
>
> Group Email Address:
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>
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>
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>
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-- > i shall be very thankful to all those who will answer these mcq's
> ............
>
> 1. Memory is allocated to non static members only when:
>
> a. class is created.
> b. object is defined.
> 3. object is initialized.
> 4. object is created.
>
>
> 2. If we create array of objects through new operator, then:
>
> a. we can call overloaded constructors through new.
> b. we can't call overloaded constructor through new.
> c. we can call default constructor through new.
> d. None of the given
>
>
> 3. ___________ operator will take only one operand.
>
> a. new
> b. int
> c. object
> d. none of the given
>
>
>
> 4. which of the following operators takes one or no argument if overloaded.
> a. ++
> b. *
> c. %
> d. All of the given choices
>
>
> 5. consider the code below, class class1{public:void func1();}; class
> class2: private class1{}; function func1 of class1 is _________ in class2,
>
> a. public
> b. protected
> c. private
> d.none of the above
>
> 6. Friend functions of a class are __________ members of that class.
>
> a. public
> b. private
> c. protected
> d. none of the above
>
>
> 7. in private inheritance derived class pointer can be assigned to base
> class pointer in:
>
> a. main function
> b. in derived class member and friend functions
> c. in base class member and friend function
> d. none of the above
>
>
> 8. Consider the following two lines of code written for a class Student, 1.
> Student sobj1, sobj2; 2. sobj2=sobj1;
> In line number 2, what constructor of Student class will be called?
>
> a. default constructor of Student class
> b. copy constructor of student class
> c. both default and copy constructor of Student class
> d. No constructor will be called
>
>
> 9. Associatively can be changed in operator overloading.
>
> a. true
> b. false
>
>
> 10. __________ and __________ are methods may not be declared abstract.
>
> a. private, static
> b. private, public
> c. static, public
> d. none of the above
>
>
> 11. let suppose a class Student with objects std1, std2, std3. for the
> statement std3=std1-std2 to work correctly, if overloaded - operator must:
>
> a. take two arguments
> b. none of the choices
> c. take single argument
> d. take three arguments
>
>
> 12. To initialize an array of objects, only ______ will be called.
>
> a. default constructor
> b. overloaded constructor
> c. default object
> d. none of the above
>
>
> 13. Consider the following two lines of code written for a class Student, 1.
> Student sobj1; 2. sobj2=sobj1;
> In line number 2, what constructor of Student class will be called?
>
> a. default constructor of Student class
> b. copy constructor of student class
> c. both default and copy constructor of Student class
> d. None of the given options
>
>
> 14. Virtual functions allows you to:
>
> a. create an array of type pointer-to-base class that can hold pointers to
> derived classes
> b. create functions that can never be accessed.
> c. group objects of different classes so they can all be accessed by the
> same function code.
> d. use the same function call to execute member functions of objects from
> different classes.
>
>
> 15. A real world object can be transformed into programming entity by
> defining its respective:
>
> a. class
> b. function
> c. only states
> d. only behavior
>
> 16. Which of the following is a necessary ingredient in an object model.
>
> a. class
> b. objects
> c. association
> d. all of the given options
>
>
> 17. If a class A inherits from class B, then A is called:
>
> a. child class
> b. derived class
> c. parent class
> d. child and derived class
>
>
> 18. "A fan has wings". Which type of relation exists between fan and wings
> in this sentence?
>
> a. aggregation
> b. association
> c. generalization
> d. composition
>
>
> 19. There is only one form of copy constructor.
>
> a. true
> b. false
>
>
> 20. Through interface we access object _______ .
>
> a. states
> b. data members
> c. behavior
> d. none of the given
>
>
> 21. If some of objects exhibit identical characteristics, then they belong
> to:
>
> a. different classes
> b. multiple classes
> c. same class
> d. none of the given
>
>
> 22. Which is true about sub-typing in case of inheritance?
>
> a. in subtyping a new class is derived from existing ......
> b. extended behavior of its parent
> c. in subtyping a new class is derived from existing/ in subtyping a class
> is derived from existing one when .......
> d. none of the given
>
>
> 23. If a class involves dynamic memory allocation, then:
>
> a. default copy construct, shallow copy is implemented
> b. user defined copy constructor, shallow copy is implemented
> c. default copy constructor, deep copy is implemented
> d. user defined copy constructor, deep copy is implemented
>
>
> 24. Three main characteristics of object oriented programming are:
>
> a. encapsulation, dynamic binding, polymorphism
> b. polymorphism, overloading, overriding
> c. encapsulation, inheritance, dynamic binding
> d. encapsulation, inheritance, polymorphism
>
>
> 25. The sentence "Object oriented programming book in bookshelf" is an
> example of:
>
> a. association
> b. Multiple association
> c. aggregation
>
>
> 26. Data members are the attributes of the objects
>
> a. true
> b. false
>
>
> 27. Constructor have same name as class name.
>
> a. true
> b. false
>
>
> 28. Which of the following is a weak relationship between two objects?
>
> a. inheritance
> b. composition
> c. aggregation
> d. none of the above
>
>
> 29. Without using deep copy constructor, a __ problem can occur.
>
> a. system crash
> b. memory leakage
> c. dangling pointer
> d. all of the given
>
>
> 30. An abstract class shows ____ behavior.
>
> a. overriding
> b. specific
> c. general
> d. none of the above
>
>
> 31. Consider the statement "room has chair". which of the following type of
> association exists between room and chair?
>
> a. inheritance
> b. composition
> c. there is no association
> d. aggregation
>
>
> 32. The dot operator (or class member access operator) connects the
> following two entities (reading from left to right).
>
> a. a class member and a class object
> b. a class object and a class
> c. a class and a member of that class
> d. a class object and a member of that class
>
> --
> ██████████████████ Basic Group Rules ███████████████████
> Immoral & Rudish talk, Earning program links, Cell number for friendship
> purpose, Websites/Groups Links, Adult contents, Criticize-able Islamic
> stuff, Spreading disruption, Spamming are strictly prohibited and banned in
> group.
> █████████████████████████████████████████████████
>
> Follow these detailed Group Rules, otherwise you will be banned at any time.
> https://docs.google.com/document/d/1YJxA8x3_U7C1lRc0EXfLrJpco4A1XkB1vDxOTqOd3Jg/edit?hl=en&authkey=CNDy9tkJ
>
> Group Email Address:
> Attock-VU-Group@Googlegroups.Com
>
> Join group by sending a blank email from University ID at:
> Attock-VU-Group+Subscribe@Googlegroups.Com
>
> Join us at http://www.Vusr.net for Papers,Assignments,GDBs, Quizes.
>
> ████████████ Click here to Join this group at Facebook:████████████
> ♥ ♥ ♥ https://www.facebook.com/home.php?sk=group_111877855568034 ♥ ♥ ♥
> █████████████████████████████████████████████████
--
██████████████████ Basic Group Rules ███████████████████
Immoral & Rudish talk, Earning program links, Cell number for friendship purpose, Websites/Groups Links, Adult contents, Criticize-able Islamic stuff, Spreading disruption, Spamming are strictly prohibited and banned in group.
█████████████████████████████████████████████████
Follow these detailed Group Rules, otherwise you will be banned at any time.
https://docs.google.com/document/d/1YJxA8x3_U7C1lRc0EXfLrJpco4A1XkB1vDxOTqOd3Jg/edit?hl=en&authkey=CNDy9tkJ
Group Email Address:
Attock-VU-Group@Googlegroups.Com
Join group by sending a blank email from University ID at:
Attock-VU-Group+Subscribe@Googlegroups.Com
Join us at http://www.Vusr.net for Papers,Assignments,GDBs, Quizes.
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