Computer Question.....

Now here is a challenge !

For all of you who keep thinking you are computer experts...
Try this !
So, you think you're so smart.
Let's see how computer literate you are .......

WHAT WOULD CAUSE THIS TO APPEAR ON YOUR COMPUTER SCREEN ? 123490=qweriop[ asdhjkl (zxcvnm

GIVE UP ?

SEE THE ANSWER BELOW !