okay... before the Atari, and before NES, and before SNES, and before Xbox, PS1, PS2, Gameboy... there was Pong. Two paddles that you used to watch a ball bounce from one side to another. Pong is the grandfather of home video gaming.
It was the first council system, even though there were no interchangable games.
Make sense now? If not, just give up while your behind
I will have something here... at some point...