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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