Person-Computer Interface using Touch Screen Devices

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Abstract
Within recent years, the advent of microprocessor technology and reduction in cost of optical electronic devices has allowed Touch Screen Devices (TSD's) to become a viable option for person-computer interface. Basically, TSD's consist of any of a number of different technologies that can overlay a CRT which permits an operator to make a selection by touching a predesignated area of the CRT screen. To date, the authors have performed a literature search, user interviews and field evaluations of TSD's and have noted a variety of advantages/disadvantages associated with the technologies available and problems with the selection/implementation of TSD's.

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