how do I locate my ipod on my computer

Your question can also be read as seeking assistance connecting your iPod to your computer...

If you’re using a Mac or Windows:

If your computer doesn't recognize your iPhone, iPad, or iPod - Apple Support

Newer macOS changes some details:

What happened to iTunes? - Apple Support

Only modern-day iPod touches can be found using Find my iPhone/iPad/iPod touch.

If your iPhone, iPad, or iPod touch is lost or stolen - https://support.apple.com/en-us/HT201472