Pokhara University
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Level: Bachelor
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Semester – Fall
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Year : 2008
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Programme: BE
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Full Marks: 100
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Course: Object Oriented
Programming in C++
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Time : 3hrs.
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Candidates are required to
give their answers in their own words as far as practicable.
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The figures in
the margin indicate full marks.
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Attempt all the questions. |
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1.
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a)
What
do you mean by recursion? Compare recursion and iteration technique base on
control structure.
b)
Write
a C++ program to calculate the factorial of a number using recursion.
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8
7
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2.
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a)
Why
object – oriented programming is dominating procedural programming approach?
Explain with the features of OOP.
b)
What
do you mean by responsibility driven design? What is CRC Card?
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8
7
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3.
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a)
Can
we have more than one destructor in a class? Write a program to add two
complex numbers using the concept of constructor.
b)
What
are the advantages of using a friend function? List different types of
classes and explain any two.
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7
8
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4.
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a)
Create
a class called Employee with three data members (empno, name, address), a
function called readdata() to take the details of the employee from the user,
and a function called displaydata() to display the details of the employee.
In main, create two objects of the class and for each object call the
readdata() and displaydata() functions
b)
How
does inheritance reuse the existing code? Explain
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8
7
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5.
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a)
What
do you mean by compile time polymorphism and run – time polymorphism? Give an
example for function overloading.
b)
Make
a class called memory with member
data to represent bytes, kilobytes and megabytes. Read the value of memory in
bytes from the user as basic data type and display the result in user defined
memory type. Like for m (basic
type) =108766, your program should
display as,
1 megabyte 38 kilobytes 177 bytes. [Hint. Use basic
to user define data conversion method]
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8
7
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6.
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a)
What
is virtual function? How does it provide run-time polymorphism? Explain.
b)
Create
a template class to find the sum of array of integers and array of floating
point numbers
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7
8
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7.
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Write short notes on (Any Two)
a)
Scope
Resolution operator
b)
Hibrid
Inheritance
c)
Exception
Handling.
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2×5
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