TOUCH SCREEN TECHNOLOGY IN MODERN ERA

摘要

A touch screen is an electronic visual display that can detect the presence & location of a touch within the display area. The term generally means touching the display of the device with a finger, hand or other passive devices such as stylus. This technology has two main attributes. First it enables one to interact with what is displayed & secondly it lets one to do so without requiring any intermediate device that would need to be held in the hand. They also play a prominent role in design of digital appliances such as personal digital assistant (PDA), satellite navigation devices, mobile phones, video games etc.