What is the full name of the base type of all the types in .NET?

How can you instantiate the following Abstract class 'AbClass'

The yield keyword is used when creating collections for iteration.

True or False? ushort is a signed integer.

What does this program output? public class Program { struct Thing { public string Color { get; set; } } public static void Main(params string[] args) { Thing one = new Thing { Color = 'Red' }; Thing two = new Thing { Color = 'Green' }; two = one; two.Color = 'Blue'; Console.WriteLine(one.Color); } }

A difference between a struct and a class is that...

Choose the namespace in which the interface IEnumerable is declared?

Which of the following is the correct way to call method Jobs() of the UpWork class given below? class UpWork { public void Jobs(inti, Single j) { Console.Writeline(UpWork); } }

What is true about a sealed class in C#?

What would be the output of following code snippet? Namespace Outer { Using System; Class Math { } } Namespace Outer.Inner { Class Foo { Public static double Bar() { Return Math.PI; } } Class program { Public static void Main() { Console.WriteLine('Value of PI is; ' + Foo.Bar() .ToString()); } } }

Which of the following is the correct way to convert a Byte Array to a Hexadecimal String, and vice versa?