BABSc, B.Com & BCA Questions _III - Nalanda Open University

Nalanda Open University
Annual Exam-2010,
Bachelor in Computer Application, Part-III
Paper-XIX (CS-72)
Time: 3Hrs Full Marks: 60
Answer any five questions. All questions are of equal marks.
1. Explain the use of inheritance with the help of an example. List three advantages
of inheritance.
2. Explain the signification of virtual function with the help of an example. What is a
pure virtual function?
3. How is exception handling performed in C++? Write a program that throws an
exception when an input number is greater than 1000.
4. Write a program in C++ that maintains the list of students enrolled in different
courses along with their personal details in a file. Write code for creating, reading
and updating this file.
5. How are arrays declared in C++? How can pointers manipulate array elements?
Give an example.
6. Write a Program which will accept a string from the user, reverse it and find
whether the string is a palindrome or not.
7. Explain five basic characteristics of object oriented language. How is Object
Oriented Programming different from Procedural Programming?
8. Define a class string with suitable constructors and destructors. Write a friend
function addstring that concatenates two strings e.g. addition of two strings “add”
and “string” is “addstring”.
9. Differentiate between dynamic typing, dynamic binding and late binding.
10. Explain the following with the help of an example each :
i. Static data member
ii. File streams in C++
iii. Bitwise operator