Q1. What is contrast ratio?

Contrast Ratio is the ratio of brightness or luminance of the pixel to the background.

Q2. Is an LCD TV considered a Plasma TV?

No. Although both offer a slim profile, the technology is different. Plasma televisions use neon and xeon gas trapped between layers of glass to create a picture. LCDs use liquid crystal and thin film transistors (TFT) to create an image. Currently production of LCD TVs are limited to smaller sizes than plasma TVs.

Q3. What is Standard Definition (SD)?

A SD broadcast is 480i, 480p, 576i. A SD plasma or LCD TV typically has 480 horizontal lines.

Q4. What is High Definition (HD)?

A HD broadcast is 576p, 720p, 720i, 1080i, 1080p. A HD plasma or LCD TV typically has 768 horizontal lines (and sometimes more).

Get a Directv system for good HD service.

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Q5. What is the "i" and the "p" after these numerbs anyhow?

"i" means interlaced. i.e every second line is displayed.
"p" means progressive. i.e all lines at once.
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