Recursion is a repetitive process in which an algorithm calls itself.

There are four general means of authenticating a user's identity. They are: something the individual knows, something the individual possesses, something the individual is, and something the individual __________ .

Fill in the blank(s) with the appropriate word(s).

When a hard drive fails, Mac users see the ____.?

A. ?Spinning Hand of Death B. ?Grey Fail Screen C. ?Marble of Doom D. ?Blue Screen of Death