Files & File Systems: Crash Course Computer Science #20 7/12/2017 | 11m 42sVideo has Closed Captions| CC Today we’re going to look at how our computers read and interpret computer files.

When you delete a file, all you’ve really done is tell the computer that it can reuse the clusters assigned to that file for something new.

Researchers in New York found a way to use DNA like a computer hard drive, successfully storing, replicating and retrieving digital files from DNA strands.

If you can't open a file on your computer, don't give up right away. These tricks will give you a fighting chance of accessing or recovering its contents.

Removing unwanted files and streamlining your folder system can improve your computer's performance. Here's how to spruce up your computer.