Depends on the game. Some xbox games are available for download through the xbox marketplace.
No they do not, but you can play certain Xbox original games on Xbox 360
Yes, but not all of the original XBOX games. You can either download the ones that are able to be played on the XBOX 360, or put in the disk to the games that are allowed to be played.
You can not play xbox 360 games on an original xbox, however you can play some original xbox games on an xbox 360 console.
You are download Xbox 360 games on your computer yes but its illegal.
No, you cannot. The "Original" Xbox cannot play Xbox 360 games. However, a list of "original" Xbox games are playable on the 360.
No, original Xbox controllers do not work with the Xbox 360, so any games you download from Xbox Live Marketplace will use the Xbox 360 controller.
If auto download is selected the Xbox 360 will download games whenever there are games available for download. This feature can be turned on in the Xbox system settings.
The Xbox 360 can play original Xbox games but the Xbox doesnt play Xbox 360 games.
Yes you can play Xbox 360 games on the Xbox Original
No, but some original Xbox games work for Xbox 360.
No you can not, it can not handle it.
If you mean play xbox 360 games on the original xbox then no. If you mean play ORIGINAL xbox games on the 360 then yes. Some games work straight away when you put them in the 360 but some you have to download something off live so it does work i think.