COGNITIVE ASSESSMENT Plasma monitors offer large screen sizes and rich colors. Which of the following statements describe how plasma monitors work?
A) Voltage is applied to a layer of gas between two glass plates, which releases a UV light that causes the pixels on the screen to glow.
B) Electricity is funneled through glass tubes, which correspond to bits and bytes and enable a bright color display.
C) A pool of plasma appears behind the monitor screen and uses heat and light to turn the pixel display on an off.
D) Radiation is used to cause reflections of color that are then displayed on the screen.

Question

Quizplus · Accepted Answer

Plasma monitors work by applying voltage to a layer of gas (usually a mixture of neon and xenon) between two glass plates, which releases ultraviolet (UV) light. This UV light then excites phosphors on the screen, causing them to glow and produce the visible image.

COGNITIVE ASSESSMENT Plasma Monitors Offer Large Screen Sizes and Rich