Categories of Videos and Imagery:
Maintaining and Troubleshooting Computer Equipment has videos of maintenance procedures for older computers. Many schools are still trying to keep their tech budgets in line, and using older computers as long as you can (or purchased as refurbished units) can be a wise way to go. Using Linux and smaller devices like the Raspberry Pi can breathe new life into older tech.
Images shows a Google map of California's Missions (more to follow)
THE INTERNET OF THINGS (IoT) Explained by Common Craft
ENCRYPTION Explained by Commoncraft
CLOUD COMPUTING Explained by Commoncraft
See also How the Google Cloud Works
COMPUTER NETWORKS Explained by Commoncraft
COMPUTER SOFTWARE Explained by Commoncraft
COMPUTER HARDWARE Explained by Commoncraft
These two videos describe the basics of everything involving computers, things a lot people talk about all the time. If you want to feel more certain of what they're all talking about, here's a couple hours of explanations that will get you up to speed.