I don't want to be blamed for turning an emergency into a disaster. And I always try to avoid lecturing the callers. They're in enough trouble. So listen up if you own a computer that has vital files. It will pay off someday.
Every new computer comes with a built-in storage device called a hard drive.
It has disks inside it that spin very fast. Files are stored on this drive the same way they are stored on a floppy disk, except that the hard drive works a lot faster and stores a great deal more files. When they work, they do their job without fuss. But they do not work forever. The only question is when.