Display Devices Review

The very first touchscreens were developed in what decade?

• 1950s

• 1960s

• 1970s

• 1980s

This touchscreen technology has you pressing two layers together much like a keyboard.

• Resistive

• Capacitive

• Surface acoustic wave

• Near field

This touchscreen tech uses the current in your body to complete a circuit and record a touch.

• Resistive

• Capacitive

• Surface acoustic wave

• Near field

This type of touchscreen uses a grid of light. When your finger breaks the grid it records a touch.

• Capacitive

• Resistive

• Infrared

• Surface Acoustic Wave

This type of touchscreen technology uses sound waves across the surface of the glass. When the waves are disrupted a touch is recorded.

• Surface acoustic wave

• Capacitive

• Resistive

• Infrared

Which touchscreen technology supports multi touch gestures and is the most commonly used today?

• Capacitive

• Resistive

• Near field

• Surface acoustic wave

This is a flat panel tech that uses a liquid crystal solution sandwiched between two polarizing filters and glass panels.

• LED

• LCD

• Plasma

• OLED

In an LCD panel, what do the crystals do in order to achieve desired colors?

• Turn to plasma

• Straighten and twist

• Turn on and off

• Brighten and dim

This type of LCD panel has an LCD at each intersection that represents a single pixel.

• Passive matrix

• Active matrix

Active matrix LCD screens have a(n) ___ at each intersection which controls the light for each pixel.

• Anode

• Diode

• LCD element

• Transistor