The story will kick off at the very end of a Supergirl episode, and then officially take place in an episode of The Flash, continuing in an episode of Arrow and concluding in Legends of Tomorrow.
Shortly after delivery of the Atari VCS game console, Atari designs two microcomputers with game capabilities: the Model 400 and Model 800. The 400 served primarily as a game console, while the 800 was more of a home computer. Both faced strong competition from the Apple II, Commodore PET, and TRS-80 computers.
1 An open platform allows its users to get far more done, and latches them to that platform far more tightly as a result.  If you think about the original PC architecture, the openness was via the expansion ports and the commodity nature of the components used on the motherboard.