GCF LearnFree offers several introductory tutorials on computers and computer software. The tutorials include illustrated text and videos. At the end of the lessons, there’s a short interactive quiz. And for teachers, there are guides for each of the tutorials. Registration is required to track your progress.
Currently available tutorials include computer hardware, operating systems, Microsoft Office, the Internet, and some basic apps used on mobile devices.
The lessons are well written and illustrated. They’re kept up to date. And the site is ad free and has received numerous awards.