A touch screen is a display that is sensitive to human touch, allowing a user to interact with the applications by touching pictures or words on the screen. Although touch screens provide a natural interface for computer novices, they are unsatisfactory for many applications because the finger is such a relatively large object. |
A stylus is an input device used to write text or draw lines on a surface as input to a handheld device. A handheld device equipped with a writing area and a stylus needs a handwriting recognition function, but existing systems do not yet have a satisfactory recognition rate. Graffiti is the most popular writing software. |
Speech recognition technology understands human speech and speech synthesis technology is used to read text aloud. |
Give me a beer. I am having one for the road (a final drink before leaving). |