Yes, assuming your other hardware meets at least the minimal requirements, but don't expect to be able to run it on high.
Yes.
No they cant arma 1 mods go with arma 1 arma 2 mods go with arma 2
yes
Yes
Go on to their website or just search on google "arma 2 latest patch"!
Nvidia.
No. you only need Arma 2 Operation Arrowhead
you can play as a Reacon or Sniper in the ArmA 2 editor.
no
Call of Duty: Modern Warfare 2 will not run on a nVidia GeForce 6200 GT graphics card. You will need a 256 MB nVidia GeForce 6600GT or better graphics card.
No, ArmA 2 is only avilable on Microsoft Windows and there are no plans to release it on other platforms.
Yes, depending on your hardware and game settings.