System On A Chip Wikipedia

V-chip - Wikipedia.

V-chip is a technology used in television set receivers in Canada, Brazil and the United States, that allows the blocking of programs based on their ratings category. It is intended for use by parents to manage their children's television viewing based on blocking systems. Televisions manufactured for the United States market since January 2000 are required to have the V-chip ....

https://en.wikipedia.org/wiki/V-chip.