II PU Computer Science Viva Questions & Answers Feb' 2024
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Questions and Answers

What is the default access specifier of a class in C++?

  • Protected
  • Friend
  • Public
  • Private (correct)

    • What is the operator used to access member functions of a class in C++?

  • :: (scope resolution)
  • + (addition)
  • -> (arrow) (correct)
  • - (subtraction)

    • Which term describes arranging elements in ascending or descending order?

  • Insertion
  • Deletion
  • Searching
  • Sorting (correct)

    • What is a collection of similar objects in C++?

    <p>Class (A)</p> Signup and view all the answers

    What is the condition to apply binary search technique to search an element in an array?

    <p>Elements in the array must be in ascending order (D)</p> Signup and view all the answers

    What is an instance of a class called in C++?

    <p>Object (D)</p> Signup and view all the answers

    What is the purpose of the TR tag in HTML?

    <p>Defining a table row (D)</p> Signup and view all the answers

    What is the operator used to allocate memory dynamically in C++?

    <p>new operator (C)</p> Signup and view all the answers

    What is the purpose of DHTML?

    <p>Creating interactive webpages (D)</p> Signup and view all the answers

    What is the role of the base class in inheritance?

    <p>It provides properties to other classes (D)</p> Signup and view all the answers

    When is a constructor invoked in C++?

    <p>When object is created (D)</p> Signup and view all the answers

    What is the characteristic of OOP implemented using function overloading?

    <p>Polymorphism (D)</p> Signup and view all the answers

    Which tag is used to scroll text from one place to another in HTML?

    <p>&lt;marquee&gt; (B)</p> Signup and view all the answers

    What is the operator used to deallocate memory dynamically in C++?

    <p>delete operator (C)</p> Signup and view all the answers

    Flashcards

    Default access specifier in C++ class

    The default access specifier for members of a class is private.

    Operator for member functions access

    The operator used to access member functions of a class is the arrow operator (->).

    Sorting

    Arranging elements in ascending or descending order is called sorting.

    Collection of similar objects in C++

    A collection of similar objects in C++ is known as a class.

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    Condition for binary search

    To apply binary search, the elements in the array must be in ascending order.

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    Instance of a class

    An instance of a class in C++ is referred to as an object.

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    Purpose of TR tag in HTML

    The TR tag in HTML is used for defining a table row.

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    Dynamic memory allocation operator

    The operator used to allocate memory dynamically in C++ is the new operator.

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    Purpose of DHTML

    DHTML is used for creating interactive webpages.

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    Role of base class in inheritance

    The base class in inheritance provides properties to derived classes.

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    Constructor invocation

    A constructor in C++ is invoked when an object is created.

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    Characteristic of OOP via function overloading

    Polymorphism is a characteristic of OOP that can be implemented using function overloading.

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    Tag for scrolling text in HTML

    The tag is used to scroll text from one place to another in HTML.

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    Dynamic memory deallocation operator

    The operator used to deallocate memory dynamically in C++ is the delete operator.

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    Study Notes

    C++ Basics

    • The default access specifier of a class in C++ is private.
    • The operator used to access member functions of a class in C++ is the dot operator (.) or the pointer operator (->).

    Data Structures and Algorithms

    • Arranging elements in ascending or descending order is known as sorting.
    • A collection of similar objects in C++ is called an array.

    Searching and Memory Management

    • The condition to apply binary search technique to search an element in an array is that the array must be sorted.
    • An instance of a class in C++ is called an object.

    HTML

    • The purpose of the TR tag in HTML is to define a row in a table.
    • The tag used to scroll text from one place to another in HTML is the Marquee tag.

    Dynamic Memory Allocation

    • The operator used to allocate memory dynamically in C++ is the new operator.
    • The operator used to deallocate memory dynamically in C++ is the delete operator.

    Object-Oriented Programming

    • The purpose of DHTML is to create interactive and dynamic web pages.
    • The base class in inheritance provides a way to create a new class based on an existing class.
    • A constructor in C++ is invoked when an object is created.
    • The characteristic of OOP implemented using function overloading is polymorphism.

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    Prepare for your II PU Computer Science viva with these questions and answers covering topics such as member functions, access specifiers, classes, and objects in C++. Test your knowledge before the exam.

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