A(n) ________ is an email that may be seen as being confrontational and argumentative

The file type ____ is a Word 2010 document.

A. .doc B. .docx C. .dot D. .doct

A(n) ____ operation is one that can be understood and carried out directly by the computing agent without further simplification.

a. ambiguous b. unambiguous c. associative d. variable