Which of the following is not an algorithm?

Match the following terms to their meanings:

I. Double-click II. Hourglass III. Echo IV. Show All Actions V. Autoexec A. There can be only one macro in a database with this name B. An action that will execute a macro C. Mouse pointer changes to this to inform the user that an action is taking place D. Shows the list of all macro actions E. Hides or displays the results of the macro while it runs

___________ is a directory lookup service that provides a mapping between the name of a host on the Internet and its numeric IP address.

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