Autonomous Colleges 2012-2nd Sem M.C.A Computer Aplications Object Oriented Programming Systems, GECA - Question Paper
Government College of Engineering, Aurangabad
(An Autonomous Institute of Government of Maharashtra)
FYMCA Examination End semester examination 2011-12, semester-2 MCA110: Object Oriented Programming and System
Time: Three Hours Max. Marks.60
"Verify the course code and check whether you have got the correct question paper"
N.B:-
1. All questions are compulsory
2. Figures to the right indicate full marks
3. Assume suitable data if necessary and state it clearly
Q1. Attempt any two [Marks 12]
A. Write a program to accept a string and convert all characters in a string from lowercase to uppercase.
B. Write short note on- passing arguments to function.
C. What is the difference between global variables and local variables? Give an example to illustrate the same.
Q2. Attempt any two [Marks 12]
A. Write a program to find gross salary of 20 employees if allowance is 10% on basics of declaring member function inside the class.
B. Illustrate with an example the concept of array of objects.
C. Explain how friend function acts as bridge between 2 classes.
Q3. Attempt any two: [Marks 12]
A. What is operator overloading? Explain rule for overloading operator? Give an example of overloading unary operator?
B. How to overload Unary and binary operator using friend functions?
C. Write a program to concatenate two strings using operator overloading concept.
Q4. Attempt any two [Marks 12]
A. Illustrate the need for virtual base class with an example
B. What is visibility mode? Explain the different visibility modes supported by C++
C. What is containership? Explain with an example.
Q.5 Attempt any two [Marks 12]
A. Describe the following manipulators- setw(), precision(), fill()
B. Write a program to compare two text files for similarity.
C. Briefly describe the class hierarchy provided by C++ for stream handling.
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