Circuitry, in the early times of TV electronics, revolved around fine tuning, picture adjustment, video and audio sharpening, as well as the remote control all of which were run on digital microchips, later evolving into CPU-related microprocessors and microcontrollers.
But, many of the so-called television sets or TVs in shops are actually computers in nature specifically designed to be receptive to television signals and broadcasts. But, as TVs have slowly transformed themselves into becoming computers, the real computers haven’t had the ability to display TV pictures until ten years ago with the advancements in technology.