They will not work on the old Xbox. But if you have a hard drive on your Xbox 360, you can play old Xbox games right on your Xbox 360, and then you can use the Xbox 360 controller to play old Xbox games.
You can not play xbox 360 games on an original xbox, however you can play some original xbox games on an xbox 360 console.
can you use Nintendo Wii games in Xbox 360
no but you can use xbox games on the 360
Yes but it does not transfer your saved data (how far you got on campaign or your level)
you don't need too, you can use xbox games on xbox 360
Kinect is a gaming attachment for the xbox 360. Only kinect games will work of the kinect. You cant use regular xbox 360 games on the kinect.
No you can't
Not at all. However, an Xbox 360 will play some original Xbox games with special downloads.
obviously
Kinect is a gaming attachment for the Xbox 360. Only kinect games will work of the kinect. You cant use regular xbox 360 games on the kinect.
I believe that the 4 gb xbox 360 you are talking about is the new slim. There is no way to use your old hard drive with the new slim xbox. You will need to buy a transfer cable to move your saved games to the 4gb hard drive.