What is .NET or .Net Framework?

NET Framework developed and maintain by Microsoft and that runs only on Windows Operating System like XP, Windows 2007 and Vista.
It enables developers to use lots of different Program languages to create software applications, websites, mobiles application, web services and many more
.NET provides tools and libraries that enable developers to create Windows software much faster and easier. .NET benefits end-users by providing applications of higher capability, quality and security. It also provides consistent object oriented environment to develop application in an standard way i.e. (use of classes and objects)
How .NET Architecture made up of?

1. Common Language Runtime (CLR)
2. Common Language Specification (CLS)
3. Base Class Library (BCL)
4. .NET Tools

Question 1: What do you know about ASP.NET ?

Answer: ASP.NET is a server-side Web application framework  designed for Web development to produce dynamic Web pages. It was developed by Microsoft to allow programmers to build dynamic web sites, web applications and web services. It was first released in January 2002 with version 1.0 of the .NET Framework, and is the successor to Microsoft’s Active Server Pages (ASP) technology. ASP.NET is built on the Common Language Runtime  (CLR), allowing programmers to write ASP.NET code using any supported .NET language.