OMCA Program - OOPS using C++ Quiz
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Questions and Answers

Which of the following is NOT a basic data type in C++?

  • string (correct)
  • int
  • double
  • float

    • What is the keyword used for exceptional handling in C++?

  • exception
  • try (correct)
  • throw
  • catch

    • In C++, what is the value of x after the following code: int x = 10; x = x++ + ++x;?

  • 22 (correct)
  • 21
  • 20
  • 23

    • Which loop in C++ is guaranteed to execute at least once?

    <p>do-while loop</p> Signup and view all the answers

    What is the output of the following code:

    int arr[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; cout &lt;&lt; arr[1][2];```

    <p>5</p> Signup and view all the answers

    Which feature in C++ promotes code reuse by allowing a new class to inherit properties and behaviors from an existing class?

    <p>Inheritance</p> Signup and view all the answers

    What is the term used for the programming paradigm that uses objects and classes?

    <p>Object-oriented programming</p> Signup and view all the answers

    Which type of function in C++ improves performance by inserting the code directly in place of the function call?

    <p>Inline function</p> Signup and view all the answers

    What is the term used for overloading unary & binary operators in C++?

    <p>Operator overloading</p> Signup and view all the answers

    Which keyword in C++ allows a function or class to access private and protected members of other class?

    <p>friend</p> Signup and view all the answers

    What are the drawbacks of procedural programming as compared to Object-Oriented Programming?

    <p>Duplication of code, lack of reusability, and difficulty in code maintenance.</p> Signup and view all the answers

    Explain the advantages of Object-Oriented Programming over procedural programming.

    <p>OOP provides features like reusability, modularity, flexibility, and ease of maintenance.</p> Signup and view all the answers

    What are the different types of operators in C++? Provide examples of each type.

    <p>The different types of operators in C++ include Arithmetic (+, -, *, /), Relational (==, !=, &lt;, &gt;), Logical (&amp;&amp;, ||, !), Assignment (=), Ternary (?:), Bitwise (&amp;, |, ^), and Unary (++, --).</p> Signup and view all the answers

    How does C++ facilitate the use of arrays and strings? Provide examples of operations on arrays and strings.

    <p>C++ allows for the creation and manipulation of single and multidimensional arrays, along with operations like accessing array elements and reading multiple lines of strings.</p> Signup and view all the answers

    Explain the concept of inheritance and its significance in C++.

    <p>Inheritance in C++ allows a new class to inherit properties and behaviors from an existing class, promoting code reuse and extending the functionality of the base class.</p> Signup and view all the answers

    What are the different control flow structures supported by C++? Provide examples of each structure.

    <p>C++ supports control flow structures like if, if-else, while, do-while, for loop, switch, break, and continue.</p> Signup and view all the answers

    What are the different types of inheritance supported in C++?

    <p>Single, multilevel, and multiple inheritance</p> Signup and view all the answers

    What is the purpose of the scope resolution operator in C++?

    <p>To access the global variable when there is a local variable with the same name</p> Signup and view all the answers

    What is the keyword used for exceptional handling in C++?

    <p>try, throw, catch</p> Signup and view all the answers

    What are the different types of polymorphism in C++?

    <p>Function overloading and operator overloading</p> Signup and view all the answers

    What are the different ways to promote code reuse in C++?

    <p>Containment and inheritance</p> Signup and view all the answers

    What are the basic data types in C++?

    <p>int, float, double, char, bool, etc.</p> Signup and view all the answers

    What are the advantages of Object-Oriented Programming (OOP) over procedural programming?

    <p>Encapsulation, inheritance, and polymorphism</p> Signup and view all the answers

    What is the role of inline functions in C++?

    <p>To improve performance and efficiency</p> Signup and view all the answers

    What is the purpose of the private and public members in a class?

    <p>To control access to the class members</p> Signup and view all the answers

    What are the different types of constructors in C++?

    <p>Default constructor, parameterized constructor, copy constructor, and overloaded constructor</p> Signup and view all the answers

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