A tablet PC is a light weight slate shaped hand-held computer or a slim note book PC. The idea is to replace the traditional pen and notebook with a tablet PC and stylus or digital pen. Historically the tablet was used by the Egyptians to write on clay tablets with a writing stick. In the present day the clay tablet has been replaced with a screen and the writing stick with a stylus. The tablet PC may be considered the pen and notebook of the future. They typically weigh around 2-3 pounds and their main feature is portability. The idea of a tablet PC was floated by Alan Kay of Xerox but was a commercial failure until now, when the prices have fallen down and it is expected that the prices will fall in future. The first widely sold Tablet PC was Newton of Apple Computers.
The hardware consists of a slim touch screen, stylus, optional wireless keyboard and mouse. In this type of computers the data input is not through the traditional mouse and keyboard but through a stylus or a virtual keyboard on the screen. It also has the facility of data input through wireless keyboard and mouse. The stylus is used to write directly/tap on the screen or fingers are used to input data...
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