How Chromecast Works
" Google's Chromecast device plugged into the HDMI port of a television. Wikimedia Commons (CC BY SA 2.0) In the year 2021, over-the-air broadcasting fell to last place in terms of viewership. Cable TV is still king, but for the first time, streaming video moved in to second place. Its popularity is due to devices like Google's Chromecast, easy and affordable devices you can plug into your TV. With that, streaming moved from the computer and smartphone screens to the family room TV. First launched in 2013, the Google Chromecast is a family of devices you can plug into the HDMI (high-defin...
Source: howstuffworks.com