Tablet Computer, also known as Tablet PC, is a portable computer equipped with wireless capacity that you can take notes by using digital pen or tapping on the touch screen which is part of tablet pc.

By now, I am sure you already heard about Tablet PC called Apple iPad. How about other Tablet PCs? Did you know Hewlett-Packard is coming up with their version of Table PC called "HP Slate"? How about Google's version or Microsoft's rumored Courier Digital Journal?

As for pricing, Apple iPad start around $700 and HP Slate is rumored to be $550 - $600. iPad cost more, but, it's battery life (10 hours) is twice longer than HP Slate (5 hours) while weights are similar.

Not many things are known about Tablets from Google and Microsoft at this time.