Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Display Devices Review

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

The very first touchscreens were developed in what decade?

a)

1950s

b)

1960s

c)

1970s

d)

1980s

2.

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

a)

Resistive

b)

Capacitive

c)

Surface acoustic wave

d)

Near field

3.

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

a)

Resistive

b)

Capacitive

c)

Surface acoustic wave

d)

Near field

4.

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

a)

Capacitive

b)

Resistive

c)

Infrared

d)

Surface Acoustic Wave

5.

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

a)

Surface acoustic wave

b)

Capacitive

c)

Resistive

d)

Infrared

6.

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

a)

Capacitive

b)

Resistive

c)

Near field

d)

Surface acoustic wave

7.

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

a)

LED

b)

LCD

c)

Plasma

d)

OLED

8.

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

a)

Turn to plasma

b)

Straighten and twist

c)

Turn on and off

d)

Brighten and dim

9.

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

a)

Passive matrix

b)

Active matrix

10.

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

a)

Anode

b)

Diode

c)

LCD element

d)

Transistor

11.

This type of display tech uses an organic substrate as the semi-conductor material in LCDs.

a)

LCD

b)

CRT

c)

OLED

d)

Plasma

12.

This technology has the blackest blacks due to being able to turn off the diodes to make black.

a)

LCD

b)

LED

c)

OLED

d)

Plasma

13.

In OLED devices of red, green, and blue, this one wears out the earliest.

(a)  

14.

This display device uses small cells filled with xenon and neon gases to create color.

a)

Plasma

b)

LCD

c)

LED

d)

OLED

15.

This technology uses and emitter to shoot a stream of electrons at a phosphor covered screen. They are big and bulky and hardly used any more.

a)

Plasma

b)

LCD

c)

CRT

d)

LED