Punjab University 2010-2nd Year B.A Comter Science B :- Object Oriented Programming(Using C++), , - 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

Section A and part B. part C is compulsory.

SECTION-A

1. (a) How an object-oriented paradigm differs from traditional programming

language ?[Marks 7]

(b) Describe the concepts of encapsulation and data-hiding in detail.[Marks 6]

2. (a) Describe the structure of a C++ program by quoting suitable example.[Marks 7]

(b) How private and public members are created in a class? How their

access in specified ? Justify.[Marks 6]

3. (a) Compare and contrast different ways for passing arguments to a

functions in C++.[Marks 7]

(b) How the nesting of member functions is done ? What is the benefit

of the identical ? discuss.[Marks 6]

4. (a) How objects are created and accessed in C++ programs ? discuss.[Marks 7]

(b) Write a program in C++ demonstrating the use of arrays.[Marks 6]


SECTION-B

5. (a) Write a program in C++ to obtain out the largest of 3 number using

the concept of a class.[Marks 7]

(b) How a class is derived and used from a base class ? discuss.[Marks 6]

6. (a) What is the use of overloading a function ? discuss with suitable

example.[Marks 7]

(b) Describe different visibility modes supported by C++.[Marks 6]

7. (a) What is multi-level inheritance ? define through a C++ program.[Marks 7]

(b) How classes are nested in C++ programs ? discuss.[Marks 6]

8. (a) Write an algorithm for sorting a list on n-elements.[Marks 7]

(b) What is a linked list ? How it differs from an array ? discuss.[Marks 6]

9. (i) Define Polymorphism.

(ii) What is I/O stream ?

(iii) Define Inheritance.

(iv) What is a data member ?

(v) Define scope resolution operator.

(vi) How pointer to an object is defiend in C++ program ?

(vii) What is Constructor ?

(viii) How a protected member is made inheritable ?

(ix) Differentiate ranging from Queue and Stack.

(x) What is tree ? provide it usage.[Marks 10x1.5=15]

Earning:   Approval pending.