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Posted By: S.Yamini Member Level: Diamond Posted Date: 04 May 2008
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2007 Indira Gandhi National Open University (IGNOU) B.C.A C++ And Object Oriented Programming Question paper
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BACHELOR IN COMPUTER APPLICATIONS
Term-End Examination
CS72: C++ AND OBJECT ORIENTED PROGRAMMING
Time: 2 hours
Maximum Marks: 60
Note : Question number 1 is compulsory. Answer any three questions from the rest.
June 2007
1. (a) Mention the difference between C and C++. Why is it necessary to include header files in a program written in these languages?
(b) Discuss the basic data types of C++. Suggest appropriate data type for the following : (5)
(i) Someone's height in meters
(ii) An exclamation mark
(iii) The number of students in a university
(c) what is the purpose of information hiding?
(d) Write a program which will accept a string of maximum 10 characters from the keyboard, and count the occurrences of each of the 5 vowels in the string. The output should be in tabbed format as shown below : (12)
A E I O U
0 1 0 0 1
2. (a) Differentiate between operator and function overloading with the help of suitable example. (5)
(b) Explain the concept of a destructor in a class. What is its role in terms of cleanup of unwanted objects ? (5)
3. (a) How is the exception handling performed in C++? Write a program that throws an arithmetic exception as and when a number input is greater than 9999. (6)
(b) Write a C++ template function, called exchange() that accepts two arguments of generic type and swaps their contents. (4)
4. (a) Write a C++ program to print reverse of a 5-digit number.
(b) Explain the concept of metadata.
5. Define the following : (10)
(i) Polymorphism
(ii) Typecasting
(iii) Class and instance
(iv) Containership
(v) Abstract class
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