Concept in Definition ABC

The TV it's a apparatus electronic that allows the reception and reproduction of television signals. Generally, it consists of a display and knobs or controls; was created on January 26, 1926 by Scottish engineer and physicist John Logie Baird , and to this day it has become one of the world's most popular gadgets, boasting a huge daily use.

The functioning TV is based on the phenomenon of photoelectricity, which is the absolute responsible for the light to transform into electric current in a camera that is plausible to be transmitted by high frequency waves, which reach the receiving antennas and at that moment is where the reproduction of the picture on the screen of each television.

The incredible advances made in the field of technology have made the television, the household appliance par excellence, be reached by them and then, Today, it is possible to find several versions of televisions, starting with the oldest to the most Recent: cathode ray tube, projection, plasma and liquid crystal display, led matrix.

The screen resolution is essential, since the same will affect the sharpness of the image that our device receives, meanwhile, pixel resolution is the number of individual dots a screen presents, the Typical resolution is 720x480, this implies that the screen has 720 horizontal pixels and 480 pixels vertical; the higher the resolution of the screen, the greater the sharpness that it offers us.

It should be noted that the first televisions only reproduced images in black and white until those devices were created that allowed the transmission of color images.

On the other hand, it is also common for the term television to be used to account for the image and sound transmission system to distance through hertian waves, in addition to the one mentioned to name the device that materializes it.