no
yes it is possible
Yes, you can get a USB to RS232 converter (aka USB to Serial).
yes delete everything on your usb first
Yes, you can. But you have to be careful and make sure that boot files are on another partition.
yes
yes make sure the usb pen is set on fat32 format.
yes
yes
Yes if your phone is USB 3.0 and not USB 2.0.
Yes. USB devices should work on any computer which has USB, whether its a notebook or a desktop should make no difference.
Yes they do make car stereos with USB. Double check that the USB will read memory cards or flash drives and that the USB is not just for mp3 devices instead of storage devices.
Yes, for a USB printer