Under UNIX, the file name __________ can refer to any file named data that has a 1-, 2-, or 3-character extension.

In the Eight Queens problem, each column can contain ______.

a) exactly one queen b) exactly two queens c) at most two queens d) at most three queens

One way to delete a note is to click immediately to the left of the note reference mark in the document text and then press the ____ key(s) twice.

A. DELETE B. FN-DELETE C. ESC D. F3