220-801 Question #817: Real Exam Question with Answer & Explanation

The correct answer is D: the darkest and lightest displayed output.. Contrast ratio measures the difference between the brightest white and the darkest black a monitor can display. A higher contrast ratio means the display can produce a brighter white and a deeper black simultaneously, resulting in a more vivid and detailed image. For example, a 1

Question

The contrast ratio for an LCD monitor is BEST defined as the ratio between:

Options

Adisplay resolution and brightness.
Bpower consumption and output intensity.
Cpower savings of a comparable CRT monitor and the LCD.
Dthe darkest and lightest displayed output.

Explanation

Contrast ratio measures the difference between the brightest white and the darkest black a monitor can display. A higher contrast ratio means the display can produce a brighter white and a deeper black simultaneously, resulting in a more vivid and detailed image. For example, a 1000:1 contrast ratio means the brightest output is 1000 times more luminous than the darkest output. This metric is entirely about luminance extremes, not resolution, power consumption, or comparisons to other display technologies.

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