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SilverLight Interview Questions(Basic)

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Q1. What is Microsoft SilverLight?
Microsoft Silverlight is a application framework for developing functionalities like Adobe Flash, integrating multimedia, graphics, animations etc into a single application. Silverlight uses XAML(Extensible Application Markup Language) for User Interface.

Q2. What is the difference between Silverlight and WPF?
Silverlight is a sub set of WPF with respect to features and functionality. Silverlight is more suitable for web applications while WPF is more suitable for Windows application.

Q3. What is XAML and how it is related to Silverlight?
XAML stands for Extensible Application Markup Language.It is a new markup language which is used for defining UI elements and its relationships with other UI elements. The XAML is introduced in .NET 3.0 Silverlight uses XAML for UI design.

Q4. What is Downloader Object in siverlight?
SilverLight exposes an object named Downloader Object which is used to download content, like scripts, media or other data, as required by the application.

Q5. What are the main components of Silverlight application?
Following are the main component of Silverlight application.
a)Input – It handles input from devices like keyboard, mouse etc.
b)UI core –It manages rendering of bitmap images, vector graphics, text and animations.
c)Media – It handles the playback of MP3, WMA Standard, WMV7, WMV8 streams.
d)XAML – This manages UI layout to be created by XAML markup language

Q6. What is .xap file in context of Silverlight?
The .xap file is a compressed output file for the Silverlight application. This file includes AppManifest.xaml, compiled output assembly of the Silverlight project (.dll) and other resource files referred by the Silverlight application.

Q7. What browsers and platforms are supported by Silverlight version 2?
Silverlight version 2 supports all popular browsers like Internet Explorer,Firefox,Safari on Both Mac OS and windows OS.

Q8. What is story Board in Silverlight?
A Storyboard in the Silverlight is a container where we can put animation objects. We need to make the Storyboard a resource that is available to the objects that we want to animate.

Q9.What is Easing Functions in Silverlight?
Easing functions is used in Silverlight to utilise custom mathematical formulas to animations. For example,if we want an object to oscillate we could use we can use a corresponding mathmetical function to accurately depict this motion.

Q10. What happens if we press F5 in Visual Studio to run a Silverlight Application?
The following happens if we press F5 in Visual Studio to run a Silverlight Application.
a)A new folder is created in website project.(It happens only first time)
b)The name of the folder is Clientbin.
c)The folder contains the packages with .xap extension.

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