Understanding Touch Screen Technologies

What is a key limitation of the resistive touch screen system?

• It is not durable.

• It can only handle one touch at a time.

• It is very expensive.

• It cannot be used with a stylus.

How does a capacitive touch screen detect a touch?

• By detecting sound waves.

• By using infrared light beams.

• By sensing the electrical charge transferred from the user's finger.

• By detecting pressure applied on the screen.

Which devices commonly use capacitive touch screens?

• Ebook readers

• High-end smartphones and tablets

• ATMs and older smartphones

• Public kiosks

What is a unique feature of infrared touch screens?

• They are the most precise touch screens.

• They can be used with gloves.

• They use sound waves to detect touch.

• They require a stylus to operate.

How does the Surface Acoustic Wave system detect touch?

• By using visible light beams.

• By using ultrasonic sound waves.

• By detecting changes in electrical charge.

• By using pressure sensors.