Why are the TV broadcast test screens the way they are?

Answer these are test screens for black/white and color calibration adjustments.sometimes you will also hear a 1 kilohertz tone. that tone is/can also be used as a reference volume to adjust audio voltage... Read More »

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What is the difference between LCD screens and plasma screens?

LCD is Liquid Crystal. Uses a light that is replaceable in most.Plasma is GAS. LCD screens are better. If your going LCD, go HD. LCD (Liquid crystal displays) &Plasma screens use completely differe... Read More »

Is hd broadcast the same as digital broadcast?

All HD broadcasts are digital. Not all digital broadcasts are HD. "Digital" is simply a way of coding TV pictures onto a radio wave so that your TV can receive the radio wave and turn it back into ... Read More »

How do you change one type of digital broadcast standard into a different digital broadcast standard?

If you mean 720 to 1080, If the TV is capable of 1080, it's done automatically in the TV set.

Do all LCD screens use the same plugs?

Only if it's from the same manufacturer and the same model line. You can't just whip out a panel from one brand of LCD TV and stick it into a TV of a totally different brand.