I am thinking to make a project on "online library manegment system". but i am not gettin how should i proceed. How should i start? pls give me some tips...

plz tell me about dotnet? What is it? What it includes? this is easy or not means i can learn it from my own effort without any guidence? What scope...

Respected sir, Plz tell me that how recession has been started? what is the reason behind this? when it will overcome?

I want to know about ethical hacking. what is it ? How I can comand on this? I am very intrested in this topic. please tell me somthing.