Multiple choice general knowledge science & technology Cycle through items in the order that they had been opened ALT+ESC ALT+DEL ALT+TAB ALT+ENTER Reveal answer Fill a bubble to check yourself A Correct answer Explanation ALT+ESC cycles through windows in the order they were opened, unlike ALT+TAB which shows a visual selector. ALT+DEL does nothing special, and ALT+ENTER toggles fullscreen in some apps.