Fake news quiz: Is it Donald Trump or a computer?
Computers can create fake voices which sound so believable, it's hard to tell the difference between what's real and what isn't.
Do you think you've got what it takes to spot a fake?
Try Newsround's quiz and see if you can tell the difference between American president, Donald Trump, speaking and a computer pretending to be him.
Find out more about how sound and video that looks real could be faked
Fake news: What is it? And how to spot it?
Audio courtesy of Faculty