Television

It is a widely used telecommunication system for broadcasting and getting moving pictures and sound over a distance. The expression television may also be used to refer specifically to a television set, programming or television transmission. The word is consequent from mixed Latin and Greek roots, meaning far sight. Since it first became commercially available from the late 1940s, the television set has become a general household communications device in homes and institutions, particularly in the first world, as a source of entertainment and news. Since the 1970s, video recordings on VCR tapes and later, digital playback systems such as DVDs, have enabled the television to be used to view recorded cinema and other programs.

A television system may be made up of multiple components, so a screen which lacks an internal tuner to accept the broadcast signals is called a monitor rather than a television. A television may be built to receive different broadcast or video formats, such as High-Definition television (HDTV).In sociology and biology a population is the collection of people or organisms of a particular species living in a given geographic area or space, usually precise by a census.