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Big Screen TV
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Big screen is a term used to refer to televisions or monitors with a diagonal (measured from corner to corner) screen size of 35 inches or more. Almost all projection televisions are considered big screen displays.
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Bit
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The smallest piece of digital data; bits are represented by either a one or a zero. There are eight bits in a byte. All digital devices use bits to transfer information.
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Black Level
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Black level is the level of brightness or light present in the dark portions of a video image. When no light is emitted from a screen, the result is pure black. Better displays have a high black level (one with little brightness) in the dark areas. A poor video display may have a black level in which the “black” is actually a dark charcoal gray color. When a video display cannot achieve a good black level, the screen will lose some color saturation and appear slightly washed out. Images meant to be black will appear dark gray.
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Brightness
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Brightness refers to the amount of light in a video image. Increasing brightness makes the image lighter. Decreasing brightness makes image darker.
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