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Computer Science for IGCSE & O level - Hardware (Section 7 - No. 37)

What type of touchscreen uses an array of sensors and infrared transmitters to detect touch?
Resistive touchscreens
Capacitive touchscreens
Infrared touchscreens
Surface acoustic wave (SAW) touchscreens

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Infrared touchscreens utilize an array of infrared sensors and transmitters.

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