Not to be confused with the "Ctrl keys," control keys enable additional control over a document and the computer. Print Screen, Scroll Lock, Pause, Break, Insert, Home, Page Up, Delete, End, and Page down are all examples of control keys. The picture is an example of all the control keys and how they look on a US keyboard.
The picture below is an example image of a Saitek keyboard to help illustrate where the control keys are commonly on the keyboard.
How many control keys are on a computer keyboard?
When describing the keys that give control of a document or computer, there are nine control keys. When describing the modifier keys labeled as "Ctrl" or "control," there are two control keys.