Light-Emitting Diode =LED
LED is not a kind of display, when we say LED tv is actually means LCD display with LED back lights.
LED stands for light emitting diode. It is a kind of tv and monitor and they are usually known for being better than plasma and projection. The color is more vivid and the picture is clear.
MTV
No, TV is an abbreviation of the word Television.
not always, but sometimes yes. You can say that MTV is an abbreviation for Music Television, and you can say that is an acronym for Music Television. However you cannot say the state abbreviation for California, CA, is an acronym for California.
HDTV
It is HDTV.
Closed Circuit Television
Yes, because it is an abbreviation for television.
There is not a formal abbreviation for the word demand. However, there are abbreviations for services such as video on demand (VOD) that you get from your television provider.
Samsung offers quite a few 55" televisions. Among them are the LED 6100 and LED 6150 both of the Smart TV series, the LED 6070, LED 6300, LED 6350, LED 6800, LED 7050, and LED 7100 of the TV Series
Liquid Crystal Display
No, it is just an abbreviation for television. Timothy A. Moore