A tablet is basically a board you plug into your computer and use a tablet pen to draw on, or to simply replace the mouse. Wherever you move the pen on the board, the cursor on your screen moves to the same location (ex; if you put the pen at the corner of the tablet board, the cursor moves to the corner of the screen). You can read more about tablets here; http://en.wikipedia.org/wiki/Digitizing_tablet
yes
One advantage of having a graphics tablet is the fact that you will be able to make illustrations easier. One disadvantage to purchasing a graphics tablet is the fact that it is expensive.
A graphics tablet is used to to accept user input to the computer so is classed as input device ...
invention of graphics tablet
Wacom
A joystick and a graphics tablet?
Graphics tablet is usually popular with graphic artists and allows you to draw freehand images like you do with a pencil on paper. Other names the graphics tablet goes by are; digitizing tablet, graphics pad or drawing tablet. The graphics tablet is an input device with most likely a USB interface, and is made up of a flat surface for drawing and a pen (stylus or puck or mouse). Graphic tablets, depending on the brand, have different levels of pressure sensitivity that controls the thickness, transparency and colour of the line drawn. Popular sizes of these tablets are 4x5, 6x8, and 9x12 which works well with the 4:3 aspect ratio of traditional Computer Monitors.
A graphic tablet is a pad that you use in animation software like pencil, photo editing such as Photoshop and for handwriting
The price range for a new Wacom Intuos3 graphics tablet is about $299. It has received excellent reviews for its performance in editing and creating designs.
DIGITIZER
It depends what your using it for. It it is for games and design programs then yes.
The input device that you use a pen on is called a tablet.