M.C.A. DEGREE EXAMINATION OBJECT ORIENTED PROGRAMMING IN C++ Question Paper

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OBJECT ORIENTED PROGRAMMING IN C++

Time: Three hours maximum: 100marks

PART A Answer all questions (8x5=40 marks)

1. (a) How are data and function organized in an object oriented programming
language? Or (b). Differentiate between dynamic binding and static binding.

2. (a) What is an object and how objects can be defined in C++? Or (b) how do you
invoke a constructor function? Explain with example.

3. (a) Explain with example, the concept of overloading unary operators. Or (b) what is
the scope rules governing the function overloading?

4. (a) Explain about reference arguments and default arguments. Or (b) Explain virtual
member function with suitable example.

5. (a) Describe the various file mode operations. Or (b) what is a stream? Discuss the
various forms of get () functions supported by the input stream.

6. (a) Explain "this pointer" with a suitable example. Or (b) What is file mode?
Describe the various file mode options available in C++.

7. (a) What is search tree? Or (b) what is a object? What are the desirable qualities of an
object?

8. (a) Explain how would you create space for an array of objects using pointers. Or (b)
explain how sequential input and output operations are done on files in C++.

PART B Answer ALL questions (5x12=60 marks)

9. (a) Explain with example, how is the data hiding and data encapsulation implemented
in object oriented languages. Or (b) explain how is polymorphism used during software
designing phase.

10. (a) How is data read in and read out in Binary file? List the advantages and
disadvantages of using binary file with examples. Or Explain the physical organization
of classes in C++ system

11. (a) What is the scope and lifetime of an object? How is it inter linked with Destructor
functions? What is the necessary to have destructors in classes? Or (b) Explain with
example, the concept of binary overloading and list the rules for overloading operators

12. (a). What is inheritance? Describe the hierarchical and hybrid inheritance with
example. Or (b) In what order are the class constructors called when a derived class
object is created? Explain with examples.

13. (a) What is a virtual function? Why do we need virtual function in OOPS? Or (b)
briefly discuss on the design of super fast spelling checker.