Computer question

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!