comptia A+ display devices Flashcards
What does LCD stand for?
Liquid Crystal Display
True or False: OLED displays use organic compounds to emit light.
True
What is the primary advantage of LED over LCD?
LEDs provide better brightness and contrast.
Fill in the blank: The __________ is the measurement of how much light a display emits.
luminance
What is the typical refresh rate for most modern monitors?
60 Hz
What type of display technology is known for its wide viewing angles?
IPS (In-Plane Switching)
Which display type is generally more power-efficient: LED or CRT?
LED
True or False: A higher resolution means better image clarity.
True
What does the acronym DPI stand for in relation to display resolution?
Dots Per Inch
What is the maximum resolution of 4K displays?
3840 x 2160 pixels
Which display technology has the fastest response time?
OLED
Fill in the blank: __________ displays use a backlight to illuminate the screen.
LCD
What does the term ‘aspect ratio’ refer to?
The ratio of the width to the height of a display.
What type of connector is commonly used for high-definition video output?
HDMI (High-Definition Multimedia Interface)
True or False: A touchscreen is considered a type of display device.
True
What is one disadvantage of CRT monitors compared to modern displays?
They are bulky and heavy.
What does the term ‘native resolution’ mean?
The maximum resolution that a display can support without scaling.
Which display technology is known for its ability to produce true blacks?
OLED
What is the function of a display driver?
To convert data from the computer into a format suitable for the display.
Fill in the blank: The __________ is the time it takes for a pixel to change from one color to another.
response time
What is the primary disadvantage of OLED displays?
They can suffer from burn-in.
True or False: All monitors support the same color depth.
False
What is the benefit of a higher color depth?
It allows for more colors to be displayed.
What does VGA stand for?
Video Graphics Array
