Lesson 1.2.4a

1.2.4a Programming paradigms, procedural and object-oriented languages Quiz: OCR Computer Science, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 1.2.4a, Programming paradigms, procedural and object-oriented languages: 20 multiple choice questions for the OCR Computer Science (H446), Unit 2: Software and software development, written with Revision Ninja.

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The 20 questions

  1. Which programming paradigm focuses on describing what the computer should achieve rather than how?

    • Declarative
    • Object-oriented
    • Imperative
    • Procedural

  2. Which paradigm organises code into reusable blocks of instructions called procedures and functions?

    • Logic
    • Declarative
    • Functional
    • Procedural

  3. What term describes a blueprint or template used to create objects in object-oriented programming?

    • Class
    • Method
    • Instance
    • Attribute

  4. What is the process of creating an individual object from a class definition called?

    • Instantiation
    • Polymorphism
    • Inheritance
    • Encapsulation

  5. Which OOP concept hides internal object details and restricts direct access to attributes?

    • Polymorphism
    • Encapsulation
    • Inheritance
    • Abstraction

  6. What OOP feature allows a subclass to acquire properties and methods from a superclass?

    • Inheritance
    • Instantiation
    • Polymorphism
    • Encapsulation

  7. Which OOP concept allows methods with the same name to behave differently in different classes?

    • Polymorphism
    • Inheritance
    • Instantiation
    • Encapsulation

  8. What special method is automatically run when a new object is created from a class?

    • Setter
    • Getter
    • Constructor
    • Destructor

  9. An attribute in a class should only be readable via a method. Which access modifier is best?

    • Protected
    • Global
    • Private
    • Public

  10. A Dog class has a breed attribute and a bark action. What is the bark action called?

    • Attribute
    • Method
    • Class
    • Constructor

  11. If Car is a class definition, what is myCar created from it called?

    • Procedure
    • Object
    • Method
    • Attribute

  12. Which type of method specifically retrieves the current value of a private class attribute?

    • Setter
    • Constructor
    • Destructor
    • Getter

  13. A subclass defines a method with identical name and parameters as its superclass. What is this?

    • Data hiding
    • Class instantiation
    • Method overloading
    • Method overriding

  14. Passing a variable where the subroutine receives a copy of its value is called what?

    • Pass by address
    • Pass by pointer
    • Pass by reference
    • Pass by value

  15. Passing a parameter so that modifications inside the subroutine affect the original variable is called what?

    • Pass by value
    • Pass by copy
    • Pass by literal
    • Pass by reference

  16. Which programming paradigm uses mathematical functions and avoids changing state or mutable data?

    • Object-oriented
    • Procedural
    • Imperative
    • Functional

  17. In OOP, what type of relationship exists when a Student class inherits from a Person class?

    • Is-a
    • Part-of
    • Uses-a
    • Has-a

  18. A Car class contains an Engine class object. What type of relationship is this?

    • Polymorphic
    • Inherited
    • Has-a
    • Is-a

  19. Which access modifier allows attribute access within the class and any of its subclasses only?

    • Protected
    • Global
    • Public
    • Private

  20. Which type of method is used to modify the value of a private class attribute?

    • Getter
    • Constructor
    • Destructor
    • Setter

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