David has a laptop that is having a problem with the video system. You believe the problem might be the backlight. During your research, you discover that the laptop does not have a backlight.
What type of screen is on David's new laptop?
A) LED
B) OLED
C) CRT
D) Plasma

Question

David has a laptop that is having a problem with the video system. You believe the problem might be the backlight. During your research, you discover that the laptop does not have a backlight. 
What type of screen is on David's new laptop?
A) LED
B) OLED
C) CRT
D) Plasma

Quizplus · Accepted Answer

OLED screens do not require a backlight because each pixel emits its own light, unlike LED screens which use a backlight to illuminate the pixels. CRT and Plasma screens are older technologies that also do not fit the context of a laptop screen.

David Has a Laptop That Is Having a Problem with the Video