The PlayStation Vita is a standalone system. You do not require a PlayStation 3 to use it.
no
You must join the Playstation Network see related link or use the one for your PS3
Yes with the same video on both
yes, but you will have to get a converter
Playstation 3 is the newest console to come from Sony.
n
Playstation 3 do not use CDs for games but can play other CDs
No, you can't use ps2 controllers to play ps3.
Sort of because when you use it online in the Playstation Network there is Playstation Home with has many different games and is like one huge game
Both Playstation 3 and Xbox 360 are not able to use cheats.
You can buy Resident Evil 3 for playstation 1 and use it in the playstation 2. Just don't try that for playstation 3 for some reason they didn't make it that way.