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18CS45 - OBJECT ORIENTED CONCEPTS

Answer Script for Module 1

Solved Previous Year Question Paper

CBCS SCHEME


OBJECT ORIENTED CONCEPTS

(Effective from the academic year 2018 -2019)

SEMESTER - IV

Course Code 18CS45 CIE Marks 40

Number of Contact Hours/Week 3:2:0

SEE Marks 60

Total Number of Contact Hours 50

Exam Hours 03

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These Questions are being framed for helping the students in the "FINAL Exams" Only (Remember for Internals the Question Paper is set by your respective teachers). Questions may be repeated, just to show students how VTU can frame Questions.

- ADMIN

18CS45 - OBJECT ORIENTED CONCEPTS

Answer Script for Module 1

Solved Previous Year Question Paper

CBCS SCHEME



× CLICK ON THE QUESTIONS TO VIEW ANSWER

Question 11

Define friend function and rules to be used while using it. Explain with a C++ program to add two complex numbers. (08 Marks)

11.1 Friend Definitation:


Refer 1th Question & Answer or Click Here

11.2 Program:

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Question 12

Explain the various features of OOC. (08 Marks)

Features of OOP's ( Object Oriented Programming )

  1. Class

     : Class is an encapsulation of data and coding. Classes are an expanded version of structures. Structure can contain multiple variables. Classes can contain multiple variables, even more, classes can also contain functions as class member. Variables available in class are called Data Members. Functions available in class are called Member Functions.

  2. Object

     : Class is a user-defined data type and object is a variable of class type. Object is used to access class members.

  3. Inheritance

     : Inheritance means access the properties and features of one class into another class. The class who is going to provide its features to another class will be called base class and the class who is using the properties and features of another class will be called derived class.

  4. Polymorphism

     : Polymorphism means more than one function with same name, with different working. It can be static or dynamic. In static polymorphism memory will be allocated at compile time. In dynamic polymorphism memory will be allocated at runtime. Both function overloading and operator overloading are an examples of static polymorphism. Virtual function is an example of dynamic polymorphism.

  5. Data Abstraction

     : The basic idea of data abstraction is to visible only the necessary information, unnecessary information will be hidden from the outside world. This can be done by making class members as private members of class. Private members can be accessed only within the same class where they are declared.

  6. Encapsulation

     : Encapsulation is a process of wrapping data members and member functions in a single unit called class. Using the method of encapsulation, the programmer cannot directly access the data. Data is only accessible through the object of the class.

Question 13

What is a constructor? Mention its types. Explain the parameterized constructor with a suitable code. (08 Marks)

Refer 5th Question & Answer or Click Here


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Question 14

Give the difference between procedure oriented programming and object oriented programming. (04 Marks)

Refer 8th Question & Answer or Click Here


Question 15

What is an inline function? Write a C++ function to find the maximum of 2 numbers using inline. (08 Marks)

15.1 Inline Function :

Refer 9th Question & Answer or Click Here

15.2 Program

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