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1. Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
“ help.mbaassignments@gmail.com ”
or
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[ FALL 2015 ] ASSIGNMENT
PROGRAM BSc IT
SEMESTER 5th
SUBJECT CODE & NAME BT8903, C# Programming
CREDITS 4
BK ID B1187
MARKS 60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
Question. 1. Explain the following related to .NET:
1. The Microsoft Intermediate Language ("MSIL" or "IL")
Answer:MSIL stands for Microsoft Intermediate Language. We can call it as Intermediate Language
(IL) or Common Intermediate Language (CIL). During the compile time, the compiler convert the
source code intoMicrosoft Intermediate Language (MSIL) .Microsoft Intermediate Language (MSIL)
isa CPU-independentsetof instructionsthatcanbe efficientlyconverted to the native code. During
the runtime the Common Language Runtime (CLR)'s Just In Time (JIT) compiler converts the
Microsoft Intermediate
2. The Common Type System (CTS)
Answer:InMicrosoft's.NET Framework,the CommonType System (CTS) is a standard that specifies
how type definitions and specific values of types are represented in computer memory. It is
intendedtoallowprogramswrittenindifferentprogramminglanguagestoeasilyshare information.
As used in programming
3. .NET Framework Base Classes

2. Answer:The .NETFrameworkincludesclasses,interfaces,andvalue typesthatexpediteandoptimize
the development process and provide access to system functionality. To facilitate interoperability
between languages, most .NET
Question. 2. Write a note on the following :
1. Mutable strings
Answer:Mutable and immutable are English words meaning "can change" and "cannot change"
respectively. The meaning of the words is the same in the IT context; i.e.
 a mutable string can be changed, and
 an immutable string cannot be changed.
Question. 3. Explain the following in context of methods in C# withexamples:
1. Invoking methods
Answer:Reflectionprovides a means for invoking methods on a class. Typically, this would only be
necessary if it is not possible to cast an instance of the class to the desired type in non-reflective
code.Methodsare invokedwithjava.lang.reflect.Method.invoke(). The first argument is the object
instance onwhichthisparticularmethodisto be invoked.(If the methodisstatic,the first argument
should be null.) Subsequent arguments are the method's parameters. If the underlying method
throws an exception, it will be wrapped by
Question. 4.Define members. Explain constant members and read onlymembers.
Answer:Constant and ReadOnly keyword are used to make a field constant which value cannot be
modified.Statickeywordisusedtomake membersstaticthat can be shared by all the class objects.
In this article, I am going to explain the difference among these three.
Constant
Constantfieldsor local variables must be assigned a value at the time of declaration and after that
they cannot be modified. By default
Question. 5. Define and explain the class visibility and class members’visibility.
Answer:Accesslevelmodifiers determine whetherotherclassescanuse a particularfieldorinvoke a
particular method. There are two levels of access control:
At the top level—public, or package-private (no explicit modifier).

3. At the member level—public, private, protected, or package-private (no explicit modifier).
A class may be declared with the modifier public, in which case that class is visible to all classes
everywhere.If aclasshas no modifier(the default,alsoknown as package-private), it is visible only
withinitsownpackage (packagesare named groups of related classes — you will learn about them
in a later lesson.)
Question. 6. Briefly describe the concept of delegates in C#.
Answer:A delegate(known as function pointer in C/C++) is a references type that invokes
single/multiple method(s) through the delegate instance. It holds a reference of the methods.
Delegate types are sealed and immutable type.
Types of Delegates
There are three types of delegates that can be used in C#.
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