Yes they can. They can use logitech game controllers.
Yes the PS3 controllers can charge on any USB port. I have a 4 USB port hub connected to my Sony HDTV that I use to allow the controllers to charge with extra charging cables
PS3 controllers do not work on the Xbox 360
No, you need PS3 controllers
The off brand controllers will work the same as the Sony brand with your PS3
The PS3 does not charge game controllers when the PS3 is turned off even though you leave it plugged in because when the PS3 is off it is completely off. The same is not true for controllers which will continue to remain on when you turn the PS3 off unless you go to the PS3 setting and set it to automatically turn off the controllers. The other accessories should work just like the controllers.
PS3 controllers do not work on the PC, so no you can't even use one no matter what the game is
No, you can't use ps2 controllers to play ps3.
No the PS2 controller does not work on the PS3 you need an adapter which is like $15
No, ps3 controllers do not work with a ps2.
Yes you can but you need the ps3 game , ps2 rock band game won't work but controllers will . Yes you can but you need the ps3 game , ps2 rock band game won't work but controllers will .
No
Dual Shock 3 controllers can be purchased for less than full retail and run about $40-45 amazon also has a few bundled with games for the retail price of the controllers. OEM controllers are all the off brands that will work with the PS3 and are not the controller chosen by Sony for the PS3. Some are not wireless and others are not Bluetooth, but they are cheaper