The most common and often the least expensive touch screen technology, resistive touch can be found in many PDAs, retail registers, credit card readers, and ATMs. The technology senses touch when a user presses the screen, bringing together two layers of sensing resistive film that determine the location of the touch. Resistive screens are susceptible to damage from sharp objects, repeated use, or excessive force. The clarity and readability of the display is also compromised because the layers used to register touch reduce transparency.
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