what is mean by DRM?

DRM-Digitals Rights Management
It is used to gives the protection for content management.
content management protection is very important in the web application.

what is mean by chiron.exe?

chiron.exe is used generate .Xap files for Silverlight 2.0 and DLR

what are the routed events?

Three types of Routed Events
1.Direct
2.Bubbling
3.Tunneling

How to change themes of Expression blend workspace?

Steps of Change theme
1.On the Tools menu, click Options.
2.Select Workspace (on the left) in the Options dialog box.
3.Next to Theme, select either Expression dark or Expression light.
4.The theme changes immediately so that you can preview it.
5.Click OK.

What is garbage collection?

Garbage collection is a CLR feature which automatically manages memory. Programmers forget
to release the objects while coding(Laziness). CLR automatically releases objects when they are no longer in use and refernced.

Manifest File

Assembly metadata is stored in manifestfile.
It contains

1. Version of Assembly
2. Security Identity
3. Scope of the assembly

What is ILDASM?

1.Intermediate Language Dis Assembler
ILDASM basically converts the whole exe or dll in to IL code. To run ILDASM you have to go to "C:\Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Bin". you have to probably change it depending on the type of framework version you have.

What is Difference between NameSpace and Assembly?

Following are the differences between namespace and assembly :
Assembly is physical grouping of logical units. Namespace logically groups
classes.
Namespace can span multiple assembly.