Quiz  /  OOPs Gate & PSU MCQ Questions With Answers

  • 1. 
    we need to write the c++ code using binary numbers

  • true
  • false
  • maybe

  • 2. 
    _________ in programming come into use when we need to repeatedly execute a block of statements.

  • nested for loop
  • none
  • for loop
  • loop

  • 3. 
    Attributes of a real word application collection is also called as

  • entity
  • behavior
  • object
  • All

  • 4. 
    Which of the following best defines a class?

  • Parent of an object
  • Instance of an object
  • Blueprint of an object
  • Scope of an object

  • 5. 
    Pure OOP can be implemented without using class in a program. (True or False)

  • True
  • False

  • 6. 
    Once we compile the C++ code and the .exe is generated,we can run the program from DOS prompt

  • maybe
  • no
  • true
  • false

  • 7. 
    Identifiers can start with a number. True or False?

  • True
  • False

  • 8. 
    OOPS is a

  • Modular Programming
  • Structural Programming
  • Procedure programming
  • None

  • 9. 
    How are variable length arguments specified in the function heading?

  • one star followed by a valid identifier
  • one underscore followed by a valid identifier
  • two stars followed by a valid identifier
  • two underscores followed by a valid identifier

  • 10. 
    Choose the behaviour of Class: time

  • getHour
  • Print Time
  • Second
  • Both A & B

  • 11. 
    Advantage of inheritance in java programming is/are

  • Code Re-usability
  • Class Extendibility
  • Save development time
  • All

  • 12. 
    What type of inheritance is illustrated in the following Python code?class A(): passclass B(): passclass C(A,B): pass

  • Multi-level inheritance
  • Multiple inheritance
  • Hierarchical inheritance
  • Single-level inheritance

  • 13. 
    _________ are fixed values used by a program

  • constant
  • variable
  • boolean
  • float

  • 14. 
    An instance of class is called

  • class
  • entity
  • member
  • object

  • 15. 
    Ada is ..............................language

  • High level
  • OOP
  • Modular programming
  • all

  • 16. 
    Encapsulation is a process of wrapping of data and methods in a single unit called ------------------------------

  • Variable
  • Functions
  • Class
  • Box

  • 17. 
    What will be the output of the following Python code?def func(a, b=5, c=10): print('a is', a, 'and b is', b, 'and c is', c)func(3, 7)func(25, c = 24)func(c = 50, a = 100)

  • a is 7 and b is 3 and c is 10a is 25 and b is 5 and c is 24a is 5 and b is 100 and c is 50
  • a is 3 and b is 7 and c is 10a is 5 and b is 25 and c is 24a is 50 and b is 100 and c is 5
  • a is 3 and b is 7 and c is 10a is 25 and b is 5 and c is 24a is 100 and b is 5 and c is 50
  • Error

  • 18. 
    What is subclass in java?

  • A subclass is a class that extends another class
  • A subclass is a class declared inside a class
  • Both above.
  • None of the above.

  • 19. 
    Assuming Point is a valid class, what would be the result of this code: Point p[] = new Point[10]; System.out.println(p[3].getX());

  • 0
  • Null Pointer Exception
  • -999
  • Index Out of Bound Error

  • 20. 
    OOPS concepts starts from C programs ..................

  • Structure
  • Enum
  • Array
  • All

  • 21. 
    the provides the basic INPUT and output fundamentales

  • true
  • false
  • maybe
  • All of above

  • 22. 
    Is it necessary for an abstract class to have an abstract method?

  • Yes
  • No

  • 23. 
    How many types of polymorphism in the C++ programming language?

  • Three types of polymorphism
  • Two types of polymorphism
  • Five types of polymorphism
  • Four types of polymorphism

  • 24. 
    Which definition best defines the concept of abstraction?

  • Hides the important data
  • Hides the implementation and showing only the features
  • Hiding the implementation
  • Showing the important data
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