The Xbox Arcade is an Xbox 360 and it comes without a hard drive. What you are calling an Xbox 360 I'm assuming comes with a hard drive and if you are thinking of buying an Xbox I recommend not buying the arcade as you cannot save games without a hard drive.
Depending on which XBox 360 you have, it may not work. If you have the "arcade" Xbox, I have a feeling it has no hard drive at all. Just check.
An xbox arcade IS an xbox 360, just without the hard drive.
NO, you need a flash drive for everything.
No you need the hard drive and xbox live to play xbox 1 games
Yes you can, but games like Halo 3 were made to work best with a hard drive.
If you have a hard drive, Yes. Otherwise you cannot play original Xbox games. without a hard drive.
The xbox 360 arcade unit does not come with a hard drive. It comes with a memory card, but not a hard drive. You can buy one for you Xbox 360 Arcade, however.
Yes you can, the xbox arcade is just an xbox 360 pro, without the hard drive in the box.
yes, just remove the arcade's cover on the top, and put the hard drive in.
No.
if you play games alot you get a nice hard drive with it. arcade does not get a hard drive