1. : We can access which kind of data members in the derived class?
(A) Private data members
(B) Protected data members
(C) Public data members
(D) B and C
2. : We can’t access which kind of data members in the derived class?
(A) Private data members
(B) Protected data members
(C) Public data members
(D) B and C
3. : We can access which kind of data members outside the class?
(A) Private data members
(B) Protected data members
(C) Public data members
(D) B and C
4. : We can’t access which kind of data members outside the class?
(A) Private data members
(B) Protected data members
(C) Public data members
(D) A and B
5. : Which of the following is the correct syntax to declare a class?
(A) Private data members
(B) Protected data members
(C) Public data members
(D) A and B
6. : Which of the following is the correct syntax to declare a class?
(A) class student{}
(B) class student{};
(C) student class {}
(D) student class{};
7. : Which of the following is the correct syntax to declare data members in a class?
(A) class student{int rollno;}
(B) class student{public int rollno;};
(C) student class {int public rollno;};
(D) student class{public: int rollno;};
8. : Which of the following is the correct syntax to define a function for a class?
(A) class T4Tutorials{public: void display(){cout<<“welcome”;}};
(B) class T4Tutorials{public: void display();}; void T4Tutorials::display(){cout<<“welcome”;}
(C) Both are correct
(D) Both are wrong
9. : What is the correct syntax to declare object for a class?
(A) int main(){T OBJ1; OBJT1.display();}
(B) int main(){T OBJ1,OBJ2; OBJT1.display();}
(C) int main(){OBJ1 T; OBJT1.display();}
(D) Both A and B
10. : How many ways to use existing classes to define a new class?
(A) 4
(B) 1
(C) 2
(D) 3
11. : Composition is called a ___________.
(A) Aggregation
(B) Containment
(C) Provision
(D) Both A and D
12. : When a data member of the new class is an object of another class is called ___________.
(A) A new class is an aggregate of another
(B) A new class is a composite of other objects
(C) A new class is inherited
(D) Both A and B
13. : We can define a new class from an existing class, which of the following is used?
(A) Composition
(B) Inheritance
(C) Constructors
(D) Both A and D
14. : Use of one or more classes within the definition of another class is also called ___________.
(A) Provision
(B) Inheritance
(C) Composition
(D) None of them
15. : Using keywords as an identifier causes is called ________.
(A) Syntax error
(B) Logical error
(C) Run time error
(D) None of them
16. : Rectangle symbol in flowchart is called _________.
(A) Connector symbol
(B) Action symbol
(C) Terminating symbol
(D) Begin symbol
17. : All keywords bool, catch, private, public, this and throw are introduced in ____________.
(A) C++ Language
(B) C language
(C) Both C and C++
(D) None of them
18. : First object-oriented language ‘Smalltalk’ appeared in _________ year.
(A) 1982
(B) 1992
(C) 1972
(D) 2000
19. : A member function will access data and return value to the user when it is __________.
(A) deleted
(B) called
(C) declared
(D) initialized
20. : Data in an object-oriented language is safe from accidental alteration as it is __________.
(A) error-free
(B) bugged
(C) compressed
(D) hidden
21. : If we want to read a data item in an object, the member function in an object is __________.
(A) delete
(B) call
(C) declare
(D) initialize
22. : Data encapsulation and data hiding are key features of __________.
(A) object-oriented language
(B) procedural language
(C) machine language
(D) structural language
