Which term is used to refer to automatic adjustment of cell references in a copied formula?

"The sender ‘signs’ a message with its private key. Signing is achieved by a cryptographic algorithm applied to the message or to a small block of data that is a function of the message," is a description of a ___________ .

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

The #region is an example of a preprocessor directive.  However, C# does not have the separate preprocessing step you find with some other languages.

Answer the following statement true (T) or false (F)