Tablet PC

What is a Tablet PC? What is the difference between a Tablet PC and laptop? They literally seem somewhat similar. But the Tablet PC is a lot easier to use than laptops. Both laptops have, but they differ in accessories, software used and the screen. Although both notebook and Tablet PCs are mobile computing, and later one to give you the opportunity to write directly on the screen, instead of typing the keyboard itself. Of course, when it comes to explaining the PC directly to the universities or business organizations, with a pen is always easier to explain.But one must ask how it is possible that the computer understands calligraphy.