Display Devices Quiz

Question 1

(T or F) A tiny spot on an LCD monitor display screen that permanently remains black when it should be activated and displaying color is commonly referred to as stuck pixel.

Answer 1

False (Dead pixel)

Question 2

A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:

Answer 2

Burn-in

Question 3

Which of the LCD technologies listed below offers the fastest response time?

Answer 3

Twisted Nematic (TN)

Question 4

What are 3 characteristic features of In-Plan Switching (IPS) LCD panels?

Answer 4

High color quality, wide viewing angles, and slow response times

Question 5

What are 3 characteristic features of the Twisted Nematic (TN) LCD panels?

Answer 5

Low color quality, Low viewing angles, and fast response times

Question 6

What acronym refers to an LCD panel taking advantage of fluorescent lamps?

Answer 6

CCFL (Cold Cathode Florescent Lamp)

Question 7

What are the 2 functions of a power inverter?

Answer 7

Supplies voltage to back-lights for LCD panels and Converts DC power into AC power

Question 8

What acronym refers to a new type of thin and lightweight display devices offering higher contrast ratio and color quality in comparison to LCD without the need for a special light source to produce a visible image?

Answer 8

OLED (Organic Light-Emitting Diode)

Question 9

In computer graphics, the frequency at which the screen is redrawn is called:

Answer 9

Refresh Rate

Question 10

What type of unit is used to describe the refresh rate of a computer screen?

Answer 10

Hz

Question 11

What unit is used for measuring the brightness of an image rendered by an image projector?

Answer 11

Lumen

Question 12

The brightness of an LCD display screen is measured in:

Answer 12

cd/m2

Question 13

What countermeasure prevents shoulder surfing?

Answer 13

Privacy filter

Question 14

A monitor filter used to reduce reflection from the surface of a CRT or LCD display is called:

Answer 14

Anti-glare filter

Question 15

The relative horizontal and vertical size of a digital image displayed on the graphics monitor screen is referred to as:

Answer 15

Aspect ratio

Question 16

What are 2 characteristic features of the Extended Graphics Array (XGA) display standards?

Answer 16

4:3 aspect ratio & 1024 x 768 resolution

Question 17

Display devices with aspect ratios of 16:10 and 16:9 are commonly referred to as:

Answer 17

Widescreen displays

Question 18

What are 2 characteristic features of the Super Extended Graphics Array (SXGA) display standards?

Answer 18

5:4 aspect ratio & 1280 X 1024 resolution

Question 19

Which of the following answers refers to the standard display format for HDTV?

Answer 19

16:9 aspect ratio

Question 20

What are 2 characteristic features of the Widescreen Ultra Extended Graphics Array (WUXGA) display standards?

Answer 20

16:10 aspect ratio and 1920 X 1200 resolution

Question 21

What 2 display standards use the 4:3 aspect ratio?

Answer 21

XGA and UXGA

Question 22

A dim display on a laptop LCD screen might indicate a problem related to: (2 answers)

Answer 22

Backlight or inverter

Question 23

Which of the display standards listed below uses the 16:10 aspect ratio?

Answer 23

WUXGA

Question 24

Which of the terms listed below refers to the distorted display geometry issue?

Answer 24

Aspect ratio