Yes it can. With the exception of the new Xbox 360 250 GB model, all Xbox 360 HDDs are compatible with every system.
yes
The Xbox 360 Arcade can play the Original Xbox games. Where the newer Xbox 360 can not. On the Arcade you can also download other old games. But sometimes you can do that on the other system.
Yes, you can play regular xbox 360 games on an arcade unit. The difference in between the arcade unit and the pro system is the pro system comes with a hard drive to save game data/videos/etc.
The Xbox 360 arcade does no include a hard drive. The Xbox 360 pro does.
An xbox arcade IS an xbox 360, just without the hard drive.
yes you can put an xbox 360 harddrive into an arcade 360
the xbox 360 arcade can play the same games as the normal xbox 360
obviously its an xbox 360
yes they work on both xbox 360 arcade and elite
of course you can use with arcade,pro,and elite! (:
no you wish
Arcade? Probably not.