Computer Science for IGCSE & O level - Hardware (Section 26 - No. 16)

What type of scanner uses a beam of infrared light to detect touch?

Resistive touchscreens.

Capacitive touchscreens.

Projective capacitive touchscreens.

Infrared touchscreens.

Infrared touchscreens use an array of infrared sensors and transmitters to detect touch.