The TV it's a electronic device 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 operation of the TV is based on the phenomenon of photoelectricity, which is the absolute responsible for the light to be transformed into electrical 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 image on the screen of each television.
The incredible advances made in the field of technology have made the television, the domestic appliance par excellence, seen 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 it will affect the sharpness of the image that our device receivesMeanwhile, the resolution in pixels is the number of individual points that a screen presents, the typical resolution is 720x480, this implies that the screen presents 720 horizontal pixels and 480 vertical pixels; 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 black and white images until those devices that allowed the transmission of color images were created.
On the other hand, it is also common for the term television to be used to account for the remote image and sound transmission system through Hertian waves, in addition to the one mentioned to name the device that materializes it.
