University of Mumbai 2004 B.Sc Information Technology TY IT C# Regular - Question Paper

Duration -3 Hours

Marks – 100

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Question: one – Write short note on the following:-
1. Net Framework.
2. Enumerations.
3. Multi-inheritance.
4. Has-A relationship.
5. Destructors.
6. Immutable Strings.
7. Program with multiple main method.

Question: -2
1. provide any 7 features available in C++ but dropped in C#.
2. discuss the different activities carried out during the program compilation and execution.
3. What is boxing and unboxing and why it is used?

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Question: -3
1. It is not always possible to change series of IF statements by switch statements. Comment. Also discuss switch statements.
2. What is method overloading? provide an example to show the identical.
3. Write a program to show the subsequent output:-
1
0 1
1 0 1
0 one two 1
(Where height of triangle will be entered as command line argument).

Question: -4
1. discuss array list class. Also write a program to show how to use the array list class.
2. What is mutable string? discuss how memory assigned to mutable string during the run time.
3. Write a program to accept the number as command line argument and write a method to check whether the entered number is prime or not and display the improper fault message if any.

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Question: -5
1. What is variable size array? How it is various from a rectangular Array?
2. What is structure? When structures are preferred over class?
3. What is the importance of 'finally' keyword in Exception Handling?

Question: -6
1. discuss what is property? How do declare and use property?
2. Write a program to create a class which can hold a complex number (X + iY) and using operator overloading perform the addition and subtraction of 2 complex numbers.
3. discuss in short the 3 pillars of Object Oriented Programming.

Question: -7
1. Write a program to show how to declare and use delegates.
2. Write a program (using operator overloading) to add and subtract to matrices of order four X 4.
3. What is Method overriding? provide an example to show how method overriding is achieved in C#.

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Earning:   Approval pending.