Display Devices Quiz Flashcards
(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.
False (Dead pixel)
A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:
Burn-in
Which of the LCD technologies listed below offers the fastest response time?
Twisted Nematic (TN)
What are 3 characteristic features of In-Plan Switching (IPS) LCD panels?
High color quality, wide viewing angles, and slow response times
What are 3 characteristic features of the Twisted Nematic (TN) LCD panels?
Low color quality, Low viewing angles, and fast response times
What acronym refers to an LCD panel taking advantage of fluorescent lamps?
CCFL (Cold Cathode Florescent Lamp)
What are the 2 functions of a power inverter?
Supplies voltage to back-lights for LCD panels and Converts DC power into AC power
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?
OLED (Organic Light-Emitting Diode)
In computer graphics, the frequency at which the screen is redrawn is called:
Refresh Rate
What type of unit is used to describe the refresh rate of a computer screen?
Hz
What unit is used for measuring the brightness of an image rendered by an image projector?
Lumen
The brightness of an LCD display screen is measured in:
cd/m2
What countermeasure prevents shoulder surfing?
Privacy filter
A monitor filter used to reduce reflection from the surface of a CRT or LCD display is called:
Anti-glare filter
The relative horizontal and vertical size of a digital image displayed on the graphics monitor screen is referred to as:
Aspect ratio
What are 2 characteristic features of the Extended Graphics Array (XGA) display standards?
4:3 aspect ratio & 1024 x 768 resolution
Display devices with aspect ratios of 16:10 and 16:9 are commonly referred to as:
Widescreen displays
What are 2 characteristic features of the Super Extended Graphics Array (SXGA) display standards?
5:4 aspect ratio & 1280 X 1024 resolution
Which of the following answers refers to the standard display format for HDTV?
16:9 aspect ratio
What are 2 characteristic features of the Widescreen Ultra Extended Graphics Array (WUXGA) display standards?
16:10 aspect ratio and 1920 X 1200 resolution
What 2 display standards use the 4:3 aspect ratio?
XGA and UXGA
A dim display on a laptop LCD screen might indicate a problem related to: (2 answers)
Backlight or inverter
Which of the display standards listed below uses the 16:10 aspect ratio?
WUXGA
Which of the terms listed below refers to the distorted display geometry issue?
Aspect ratio
