IT-304 Object Oriented Programming and Methodology - Dec 2025 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aWhat are the unique advantages of an object oriented programming paradigm.
   How to answer

   • Define OOP paradigm and its goals
   • List unique advantages: encapsulation, inheritance, polymorphism, abstraction, reusability
   • Explain modularity, maintainability and extensibility
   • Contrast briefly with procedural paradigm
2. 7 Marks
   bWhat is Inheritance? What is the importance of Inheritance? Differentiate between multilevel and multiple inheritance with suitable example.
   How to answer

   • Define inheritance and its purpose
   • Explain importance: code reuse, extensibility, hierarchy
   • Differentiate multilevel vs multiple inheritance with diagrams
   • Give suitable C++ example for each
3. 7 Marks
   aExplain about call by reference and return by reference with program.
   How to answer

   • Define call by reference using reference variables
   • Define return by reference and its rules
   • Provide C++ program demonstrating both
   • Explain output and advantages/limitations
4. 7 Marks
   bHow is data Encapsulation is different from Information Hiding? Explain with example.
   How to answer

   • Define data encapsulation
   • Define information hiding
   • Differentiate on basis of concept, mechanism, purpose
   • Give example using C++ class with private data
5. 7 Marks
   aWhat is the difference between overloading and overriding? How is binding used in polymorphism? Explain with example.
   How to answer

   • Define overloading vs overriding
   • Differentiate on binding, scope, signature, polymorphism type
   • Explain early vs late binding in polymorphism
   • Give C++ example for each
6. 7 Marks
   bExplain function overloading with example.
   How to answer

   • Define function overloading
   • Explain rules: different parameters, types, count
   • Give C++ example with overloaded functions
   • Mention compile-time resolution
7. 7 Marks
   aHow is polymorphism achieved at?

   1. i)Compile Time
   2. ii)Run Time
   How to answer

   • Define compile-time polymorphism: function/operator overloading, early binding
   • Define runtime polymorphism: virtual functions, late binding
   • Explain mechanism and examples for each
   • Compare binding time and flexibility
8. 7 Marks
   bWrite short note on: Disk file I/O with stream And Data Hiding
   How to answer

   • Define disk file I/O with streams: ifstream, ofstream, fstream
   • Explain open modes, read/write operations
   • Define data hiding: private/protected, access control
   • Mention advantages with short example
9. 7 Marks
   aWhat are exceptions? What are the difference between synchronous and asynchronous exceptions?
   How to answer

   • Define exception and exception handling
   • Define synchronous exceptions
   • Define asynchronous exceptions
   • Differentiate on source, predictability, handling
10. 7 Marks
    bWhat is friend function? Explain application of friend function with suitable example.
    How to answer

    • Define friend function and its syntax
    • Explain access to private/protected members
    • Explain applications: operator overloading, bridging classes
    • Give suitable C++ example
11. 7 Marks
    aWrite C++ programs to validation of examination marks is to be done. The range of exam marks is between 65 and 100 (both inclusive). This is to be done by including a validate method in student class.
    How to answer

    • Define Student class with marks attribute
    • Implement validate method checking 65 to 100 inclusive
    • Throw/handle exception or return status for invalid marks
    • Show driver main demonstrating validation
12. 7 Marks
    bWhat is Inline function. What are the advantages of inline function.
    How to answer

    • Define inline function and syntax
    • Explain working: code substitution by compiler
    • List advantages: reduced call overhead, faster execution
    • Mention limitations
13. 7 Marks
    aDefine operator overloading ? Explain How to overload unary operator and binary operator.
    How to answer

    • Define operator overloading
    • Explain rules and syntax
    • Explain unary operator overloading with example
    • Explain binary operator overloading with example
14. 7 Marks
    bExplain :

    1. i)new and delete keyword
    2. ii)This pointer
    How to answer

    • Explain new and delete for dynamic memory allocation/deallocation
    • Give syntax and example
    • Define this pointer and its purpose
    • Give example of this pointer use
15. 7 Marks
    aExplain virtual function and write its purpose.
    How to answer

    • Define virtual function and syntax with virtual keyword
    • Explain runtime polymorphism via overriding
    • Explain purpose: dynamic binding, extensibility
    • Give example with base and derived class
16. 7 Marks
    bWhat do you mean by stream class and stream errors.
    How to answer

    • Define stream class hierarchy in C++
    • Explain ios, istream, ostream, iostream roles
    • Define stream errors and state flags
    • Explain eof, fail, bad, good bits with handling