Digitizer or Graphic Tablet
Digitizer is used for drawing new images or tracing old images. Usually. it is used for making maps and engineering drawings. A digitizer is also known as graphic tablet. It consists of a flat, rectangular board (or pad ) and an input device stylus or puck. Each location on the rectangular board points to corresponding positions on the computer screen. The Stylus or puck is connected to the board/pad by a wire.
Stylus looks like a pen. It is used for drawing images on a specially designed graphics screen or digitizer. Puck looks like a mouse. Puck is also called cursor. Usually, it is generally used for tracing old images
