Test -1

1. Who invented OOPs?

A) Andrea Ferro
B) bjarne stroustrup
C) Dennis Ritchie
D) Adele Goldberg
E) Alan Kay

2. Wrapping data and its related functionality into a single entity is known as

A) Inheritance
B) Polymorphism
C) NONE OF THESE
D) Encapsulation
E) Abstarction

3. What does polymorphism in OOPs mean?

A) Concept of hiding data
B) Concept of keeping things in differnt modules/files
C) Concept of allowing overiding of functions
D) Concept of wrapping things into a single unit
E) A& B

4. Which concept allows you to reuse the written code?

A) POLYMORPHISM
B) Absraction
C) CLASS
D) Inheritance
E) Encapsulation

5. How access specifiers in Class helps in Abstraction?

A) They allows us to show only required things to outer world
B) They does not helps in any way
C) They help in keeping things together
D) Abstraction concept is not used in classes
E) ENCAPSULATION

6. C++ is----------

A) structured orienred programming language
B) Procedural programming language
C) both procedural and object oriented programming language
D) function oriented programming language
E) Only class oriented

7. Which is not a feature of OOP in general definitions?

A) Code reusability
B) Duplicate/Redundant data
C) Efficient Code
D) Duplicate data
E) Modularity

8. When OOP concept did first came into picture?

A) 1990's
B) 1960’s
C) 1880's
D) 1970’s
E) 1980's

9. Which header file is required in C++ to use OOP?

A) stdio.h
B) A&B
C) stdlib.h
D) OOP can be used without using any header file
E) iostream.h

10. Why Java is Partially OOP language?

A) It does not support pointers
B) It supports usual declaration of primitive data types
C) It doesn’t support all types of inheritance
D) it does not allows objects
E) It allows code to be written outside classes

11. The feature by which one object can interact with another object is

A) Binding of data
B) Data Binding
C) Message Passing
D) Message reading
E) Data transfer

12. How many types of access specifiers are provided in OOP (C++)?

A) 2
B) 3
C) 5
D) 1
E) 4

13. In which access should a constructor be defined, so that object of the class can be created in any function?

A) Protected
B) none of these
C) Public/private
D) Private
E) Public

14. The copy constructors can be used to ________

A) Copy an object so that it can be passed to a function
B) Copy an object so that it can be passed to a class
C) Copy an object so that it can be passed to a function
D) copy an object for storing the same value
E) Copy an object for type casting

15. . Comments in C++ are represented by ________

A) '' ''
B) * *
C) \\
D) //
E) //

16. The scope resolution operator (:;) is used to access

A) Global variables
B) none of these
C) Local variables
D) both global @ Local variables
E) Global variables

17. You can use C++ as a procedural, as well as an object-oriented, language

A) true
B) false
C) True
D) nor false
E) neither true

18. cin object is which purpose used

A) Input
B) none of these
C) both input& output
D) Input
E) output

19. iostream is a headerfile section

A) true
B) nor false
C) false
D) neither true
E) true

20. Identify the feature which can be implemented using encapsulation.

A) encapsulation
B) Abstraction
C) Absraction
D) Inheritance
E) Polymorphism

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