Television (TV) is a telecommunication medium that transmits moving images and sound from a source to a receiver, allowing viewers to watch a variety of content such as news, entertainment, sports, and educational programs

. It involves electronic signals carrying video and audio, which are received and displayed on a television set—a device with a screen that converts these signals into pictures and sound

. Historically, television technology began in the 1920s with experimental forms and became widely popular after World War II, initially in black-and- white and later in color

. Modern televisions include various technologies such as LCD, LED, plasma, and OLED screens, often featuring high-definition resolution and smart capabilities for internet streaming

. Television signals can be delivered through terrestrial broadcasts, cable, satellite, or via the internet, enabling live viewing or on-demand access to recorded content

. The medium has had a significant cultural and social impact worldwide by extending the senses of vision and hearing beyond physical limits and serving as a major source of information and entertainment

. In summary, television is both the system of transmitting moving images and sound over distances and the device used to receive and display these transmissions for public consumption