The first PlayStation was launched in 1994.
They do not purchase a PS1
No, a ps1 can only play ps1 games and CD's.
Both Sony and OEM PS1 memory cards are available from Amazon
A game console made by Sony Entertainment.
Did not really happen that way. Sony and Nintendo broken off a joint partnership with Nintendo that was going to use the Sony chip
Nope - Sony stopped production of the PS1 in March 2006. The PS2 is still being made - with no plans at the moment to stop production.
Buy and pay for the game
No. Sony deleted that ability from PS3 so your old PS1 and PS2 games will never be playable on your PS3
Of course you could, the jack on both Sony PS1 and Sony PS2 are exactly the same, although it lowers the performance than if you were playing with a Sony PS2 controller which means that you can not actually use the controller because who wants a controller that does not work completely. Used PS2 controllers are cheap and there are no good reasons to try and use a PS1 controller on your PS2 because it will not preform like a PS2 controller
Sony says that they all will play some titles
The original Sony PlayStation was manufactured by Sony Computer Entertainment Inc. from 1994 to 1999. In early 2000, it was replaced by the PSone, which was eventually discontinued in 2006.
psx = ps1 they just look a little different so yes