Punjab University 2009 B.A Comter Science B :- Object Oriented Programming (Using C++), : Part - II - Question Paper

B.A. 2nd Year

COMPUTER SCIENCE - PAPER : B

[Objective Oriented Programming (Using C++)]

Time Allowed:Three Hours Maximum Marks:67

Note: Attempt 5 ques. in all by selecting any 2 ques. every from

Sections-A and B. Section-C is compulsory.

SECTION-A

1. (a) Write features of an Object-Oriented Programming language?[Marks 7]

(b) How a system is analyzed and designed using object-oriented approach.[Marks 6]

2. (a) How do you layout the structure of a C++ program? discuss.[Marks 7]

(b) What are the different data-types supported by C++?[Marks 6]

3. (a) Write a program in C++ that adds 2 variables that may be strings
or numbers.[Marks 7]

(b) Define member function.How Private and Public member functions are
declared and accessed ? discuss.[Marks 6]

4. (a) Differentiate ranging from "Pass by Value" and Pass by Reference"
within 2 functions.[Marks 7]

(b) Compare and Contrast Constructor and Destructor.[Marks 6]


SECTION-B

5. (a) What do you mean by term "function overloading"? How a function
is overloaded ? discuss.[Marks 7]

(b) Describe different kinds of Inheritance.[Marks 6]

6. (a) How a derived class uses the functionality of a base class? discuss
with suitable example.[Marks 7]

(b) Draw difference among Private, Public and Protected modes.[Marks 6]

7. (a) How the nesting of classes is done in C++ ? discuss.[Marks 7]

(b) Draw difference ranging from single and multilevel Inheritance through a
C++ program.[Marks 6]

8. Write an algorithm for :

(a) Sorting a list of n-elements.[Marks 7]

(b) Implementing linked list.[Marks 6]

SECTION-C

9. (i) Define Object.

(ii) Define Data-hiding.

(iii) Define Encapsulation.

(iv) What are I/O Streams ?

(v) What are visibility modes ?

(vi) What is multilevel inheritance ?

(vii) What is Polymorphism ?

(viii) Define Tree with its properties.

(ix) How Pointers to object are declared ?

(x) Define data structure.[Marks 10x1.5=15]

Earning:   Approval pending.