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Graphics Tablet :

A Graphics Tablet also known as Digitizing Tablet ,Graphics Pad or Drawing Tablet is a computer input device. This allows one to hand-draw images and Graphics .These Tablets may also be used to capture data or handwritten signatures.These vary in sizes.

A Graphics Tablet consists of a flat surface upon which the user may ”Draw” an  image  using  an attached stylus ,a pen like apparatus.The image generally does not appear on the  tablet itself  but rather, is displayed on the computer moniter.Some tablets however , come as a functioning secondary computer screen that you can interact  with directly using the stylus.

Some tablets are like a replacement for a mouse as the primary pointing and navigation device for desktop computers.

OMR:

Optical Mark  Recognition also known as Optical Mark Reading  is the process of capturing human-marked data from the document forms such as surveys and tests .This is a software recognizes optical marks bubbles and check boxes,machine-generated characters ocr and barcodes.you can design your own forms using any word processor and print them on your printer.Then use remark office omr to scan and recognize data with your image scanner and analyze the data or export the data to the application of your choice! It’s that easy !

The information i found was summarized from the following sites :

http://en.wikipedia.org/wiki/Graphics_tablet

http://graphicssoft.about.com/od/aboutgraphics/a/graphicstablets.htm

http://animation.about.com/od/glossaryofterms/g/graptab_def.htm 

   :http://en.wikipedia.org/wiki/Optical_mark_recognition 

http://www.gravic.com/remark/officeomr/

http://microlab.uwyo.edu/Documentation/OMR/default.htm

http://dictionary.reference.com/browse/Optical+Mark+Reader

 

 

 

 

 

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