CGS-2060 Lecture 6: CGS 6
Document Summary
A pressure sensitive pointing device shaped like a pencil eraser that is positioned between keys on a mobile computer keyboard. Graphics tablet (digitizer) an electronic plastic board that detects and converts movement of a style or digital pen into signals that are sent to the computer. Motion input (gesture recognition) users can guide on-screen elements using air gestures. Scanner a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process. Optical reader a device that uses a light source to read characters, marks, and codes and then converts them into digital data that a computer can process. Qr code stores information in both a vertical and horizontal direction. Radio frequency identification(rfid) uses radio signals to communicate with a tag placed in or attached to an object. Magstripe readers read the magnetic stripe on the back of cards such as bank, credit, identification cards.
