Sorry for typo
This is a nice .NET interview question. Abstract class is a half defined class and there is not point in creating a object of half a defined class. So you need to define a full implementation by creating a child class and you can then create the object of the child class.
My 50 .NET interview questions and answers
This is a nice .NET interview question. Its a half defined class and there is not point in answering a half defined class.