Yes
You can try plugging it into iTunes. If that doesn't work, you may have to restore it.
Talent.
Yes
no you cant because the ipod was only made to read songs off itunes sorry
To upoad to the ipod, yes, but you can retrieve music from anywhere to place on itunes.
No you need to use itunes for that
You have to get an alternate program to iTunes which you could probably find on google
Without the combo, you cannot. If you asking this for hacking purposes, be advised that this is illegal if it is not your iPod. The only way to unlock an iPod without the combo is to restore it using your iTunes.
by using Itunes
you can't restore ipods without iTunes. but if your meaning to reset the ipod try pressing the middle button and the menu button the same time.
You cannot as you have to use iTunes !