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
解释
Infrared touchscreens utilize an array of infrared sensors and transmitters.