UNIT 1 OOPQuiz

1. Who invented OOP?

• a) Andrea Ferro
  
  

• b) Adele Goldberg
  

• c) Alan Kay
  

• d) Dennis Ritchie

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

• a) Efficient Code
  

• b) Code reusability
  

• c) Modularity
  

• d) Duplicate/Redundant data
  

3. Which was the first purely object oriented programming language developed?

• a) Kotlin
  

• b) SmallTalk
  

• c) Java
  

• d) C++
  

4. When OOP concept did first came into picture?

• a) 1980’s
  

• b) 1995
  

• c) 1970’s
  

• d) 1993
  

5. Which feature of OOP indicates code reusability?

• a) Abstraction

• b) Polymorphism

• c) Encapsulation

• d) Inheritance

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

• a) OOP can be used without using any header file
  

• b) stdlib.h

• c) iostream.h
  

• d) stdio.h
  

7. Why Java is Partially OOP language?

• a) It allows code to be written outside classes
  

• b) It supports usual declaration of primitive data types
  

• c) It does not support pointers
  

• d) It doesn’t support all types of inheritance
  

8. Which among the following doesn’t come under OOP concept?

• a) Data hiding

• b) Message passing

• c) Platform independent

• d) Data binding

9. Which is the correct syntax of inheritance?

• a) class base_classname :access derived_classname{ /*define class body*/ };

• b) class derived_classname : access base_classname{ /*define class body*/ };

• c) class derived_classname : base_classname{ /*define class body*/ };

• d) class base_classname : derived_classname{ /*define class body*/ };

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

• a) Message reading

• b) Message Passing

• c) Data transfer

• d) Data Binding