27-01-2016, 12:17 PM
The touch screen is an assistive technology. This interface can be beneficial to those that have difficulty in using other input devices such as a mouse or keyboard. When used in conjunction with software such as on-screen keyboards, or other assistive technology, they can help make computing resources more available to people that have difficulty in using computers.Touch screen based system allows an easy navigation around a GUI based environment.
INTRODUCTION
What is a Touch Screen?
A touch screen is an Electronic Visual Display that can detect the presence and location of a touch within the display area.
OR
A touch screen is an Electronic Visual Display that responds when it detects a touch on its Surface.
Evolution of Touch screen
The touch screen was derived from the digitizing tablet. The digitizing tablet was invented by Sam Hurst in 1971. It was designed to allow scientists to record data from graphs by placing the graph on the tablet and pressing the paper against the tablet with a stylus.