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		Touch Screens Pen-Based Technology Both touch screens and pen-based systems use the same basic technology. A sensitive screen is used instead of a mouse, keyboard or other entry device. In a data collection environment, touch and pen-based systems are best used for selection of pre-programmed information. However, when coupled with Intelligent Character Recognition (ICR), pen-based systems are capable of accurately capturing hand-printed data. Touch is a "natural" interface. In public applications, users have little training in the technology and are simply instructed to "touch your selection." Pen-based systems may also incorporate character recognition capabilities and signature capture. Touch is currently being used in: Public kiosks, Gaming machines, Machine tool control, and Pen-based computing Touch Advantages: An "intuitive" interface, Flexibility in the information provided / requested (based on programming),, Ability to include graphics, signs and symbols, and A rugged and reliable interface. Touch Limitations: Not optimal for entry of significant amounts of data, Cost of touch interface, and Ease of implementation is dependent on the capabilities of the software driver to interface touch with host programs.
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