A Tablet PC is a Wireless, Portable, Lightweight Version of a Personal Computer which shape is flat, with a LCD touch screen, large than a smart phone and and running a standard operating system like Windows or Linux. Tablet PC is powerful which supports all applications with operation systems as Windows Xp, Windows XP Professional, iOS or Android,. Monitor, Keyboard, Mouse and other devices can be used in Tablet PC. The smaller screen in the a Tablet PC is 7 Inch to 10 Inch which fits to carry and take in pocket. Intel Pentium III (above 800MHz) is currently used in Tablet PC.