Television is one of the most popular means of communication worldwide, which is based on the sending and receiving of sounds and images through various media such as satellite, cable, radio, among others. Its popularity lies in its easy access since millions of people have the possibility to access it immediately and easily.
This important means of communication was created at the beginning of the 20th century, however it was not until the middle of the century when it became massive, when many European and American families had access to the first low- cost domestic appliances that broadcast television channels.
Among its characteristics is the signal, this is by means of radio, in it the images are decomposed into small squares that are disarranged, spreading through antennas, to then be received in the television decoder. At first the images projected by television were in black and white; later they are in color and where different colors are used to achieve the image.
Other of its characteristics is programming, which stops being a simple technical element, to become a sociocultural phenomenon. The public has exerted a lot of influence through the selection of the programming, which has made it constantly change. Large television companies tend to change their programming in order to satisfy public demand and thus maintain audience ratings.
Despite the emergence of new technologies, television is a medium that does not go out of style and is one of the favorites of the public. Many people dream of being on television one day, since they believe that everything considered important is on television.
At present, what is digital television is handled, it presents a much higher definition than analog television, in addition to the type of signal, it requires a decoder adapted to the same system. It is important to highlight that worldwide agreements have been made to implement the famous “analog blackout”, which will give rise to the digital signal worldwide.
