University of Mumbai 2006 B.Sc Information Technology TY IT C# - Regular - Question Paper

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Duration -3 Hours

Marks – 100

Question: -1 – Write a short note on the subsequent.
1. What is CLR? List 6 various kinds of services given by CLR.
2. 8 shortcomings of C/C++.
3. Structure of typical C# program.
4. Boxing and Unboxing.
5. Break and continue on statement.
6. Method Overloading.
7. Data kind in C#.

Question: - 2
1. Write a program to print the subsequent output:-
*******
*** ***
** **
* *
2. Destructor in C# behaves differently than in C++.Comment.
3. discuss 3 pillars of OOP.

Question: -3
1. Write a program to implement multiple inheritances.
2. discuss variable parameter array and output parameters.
3. What is fall through? How it is handled in C#?

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Question: -4
1. Write a method maximin () that takes an array as an I/P parameter and return maximum and minimum value to main (). Write a complete C# program to test the above method.
2. discuss pass value and pass by reference.
3. Write 6 differences ranging from class and interface.

Question: -5
1. describe a time class containing subsequent members: -
a) 2 integer data members minutes and hours.
b) 2 overloaded constructor.
c) 1 method to display the class data method.
One of the constructors takes 2 integer parameters to assign values to 2 data members and other constructor take 1 integer parameter representing total no. of minutes and converts it into hours and minutes. Write a complete program to verify the operation of constructor and method.
2. What is inheritance? discuss classical inheritance.
3. List the Over loadable and non-over loadable operators.

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Question: -6
1. What is conclusion polymorphism? How is it achieved? discuss with example.
2. discuss the steps involved in creating and using delegates.
3. discuss mutable and immutable strings.

Question: 7
Write a program that will learn the name from the keyboard and display it on the screen. The program should throw an exception when the length of the name is more than 15 character. Design your own exception mechanism.

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Earning:   Approval pending.