The QBASIC section has been archived, and is no longer updated.
Here are some links to useful QBASIC pages.
Download QBASIC 1.1
You'll need this before you can do anything else.
Ted Felix's QBASIC For Kids page
While specifically targeted at 9 and 10-year-olds, this is the website where I learned QBASIC, and I still use it as a reference.
Pete's QBASIC site
An entire website devoted to QBASIC. It has tons of stuff-- so much that I can't list it all here.
A list of other websites that have info on QBASIC.