Not unless you tell it to.
No.
Yeah it does .
No, it won't, unless you are syncing from a different computer, then yes it will.
swipe to left press delete
When you restore an iPod it will wipe all data saved on it. Yeah
You need to delete it trough Itunes or similar software.
Yes you can erase songs from your ipod. If you have the iTunes software just go to your music click on the song song or alblum once and press delete or backspace.
To erase pics from an iPod touch all you have to do I'd erase them from the directory on the computer from which you uploaded them to your iPod and they will be erased from the iPod at next sync.
Yes, but if you sync your iPod with that computer, the CD will be erased from your iPod, so I would recommend leaving the CD on iTunes.
You erase everything from your iPod by connecting it to iTunes and click on iPod and click on restart.
Plug it into your computer as if you would be putting some on, and when the list of music comes up, click a song and press delete