Touchscreen Technology Concepts

The video explains how touchscreens work, starting with the transformation of sand into glass and the creation of durable Gorilla Glass. It covers the differences between resistive and capacitive touchscreens, detailing how each type detects touch and registers input. The video also explains why touchscreens respond to fingers and not gloves, and how water affects touch sensitivity. Finally, it describes how pixels create colors on a screen.

What is the initial material used to create glass for touchscreens?

• Silica sand

• Wood

• Metal

• Plastic

Which type of touchscreen is commonly used in kiosks like those at McDonald's?

• Capacitive

• Resistive

• Optical

• Infrared

What is the main advantage of resistive touchscreens?

• Color accuracy

• High sensitivity

• Durability

• Multi-touch capability

What is the role of a capacitor in a capacitive touchscreen?

• To store images

• To generate sound

• To build an electric field

• To display colors

What is the function of the clear insulator in a capacitive touchscreen?

• To separate the grids

• To display images

• To conduct electricity

• To enhance color

Why do capacitive touchscreens not work with gloves?

• Gloves are too thick

• Gloves are insulators

• Gloves are too slippery

• Gloves are too small

What happens when water is on a capacitive touchscreen?

• It causes multiple activations

• It enhances touch sensitivity

• It prevents any touch detection

• It cleans the screen

What are the three primary colors used in pixels to create images on a screen?

• Red, Yellow, Blue

• Red, Green, Blue

• Red, Green, Yellow

• Red, Blue, Yellow

How is the color white displayed on a screen?

• By only illuminating red and blue

• By fully illuminating all colors

• By turning off all colors

• By dimming all colors

What is the purpose of the dimmer on each baby pixel?

• To control color intensity

• To change the pixel size

• To adjust brightness

• To switch the pixel on and off