Tech Tip:
Mac: Pressing F11 brings up your Desktop, no matter how much stuff you have open, it clears a path and gives you your Desktop. This is very useful when you need to clear your head and your Desktop, one button does both.
PC: Pressing Windows Key+r gives you the run window, from here you can run any program on your computer. Try it. Press Windows Key+r and then type "excel" or "winword", it will open excel or word and if you really want to help your IT guy do this: Windows key+r, type "cmd"(without the quotes) ->enter and then in the command box type "ipconfig", now you can see your IP Address on the network.
Words of Wisdom: When in doubt...Restart
And if you have time for a decent read check this out
Teaching Binary to Third Graders