A television (TV) is a device that receives and broadcasts electronic signals, which create the images and sounds that are displayed on a screen. Television signals are usually received by a TV antenna, which is a metal rod or wire that is mounted on a building or mast. The TV antenna captures the signals and sends them to the TV.

Most TVs have a built-in DVD player. This means that you can watch DVDs on the TV. The DVD player can also be used to play CDs. Some TVs also have a built-in digital video recorder (DVR). This means that …