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A liquid-crystal-display television (LCD TV) is a television set that uses a liquid-crystal display to produce images. It is by far the most widely produced and sold type of television display. LCD TVs are thin and light, but have some disadvantages compared to other display types such as high power consumption, poorer contrast ratio, and ...
CRTs were the single most popular display technology used in television sets and computer monitors for over half a century; it was not until the 2000s that LCDs began to gradually replace them. A derivative of CRTs were storage tubes , which had the ability to retain information displayed on them, unlike standard CRTs which need to be refreshed ...
Digital TV can support more than one program in the same channel bandwidth. [131] It is an innovative service that represents the first significant evolution in television technology since color television in the 1950s. [132] Digital TV's roots have been tied very closely to the availability of inexpensive, high-performance computers.
James Lee Fergason [2] (January 12, 1934 – December 9, 2008) was an American inventor and business entrepreneur. A member of the National Inventors Hall of Fame, Fergason is best known for his work on an improved Liquid Crystal Display, or LCD.
An electronic visual display is a display device that can display images, video, or text that is transmitted electronically. Electronic visual displays include television sets, computer monitors, and digital signage. They are ubiquitous in mobile computing applications like tablet computers, smartphones, and information appliances.
The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).
A number of prominent figures throughout sports throughout history have been caught smoking cigarettes -- including admitted smokers and some athletes who've tried to keep the habit under wraps.
cigarette smoke was the primary cause of chronic bronchitis; a correlation between smoking, emphysema, and heart disease. In addition, it reported: a causative link between smoking and a ten- to twenty-fold increase in the occurrence of lung cancer; a positive correlation between pregnant women who smoke and underweight newborns. [1]