A ____ procedure completes its task but does not return any data to the calling procedure.

A _____________ is a word, phrase, symbol, or design that identifies and distinguishes the source of the goods of one party from those of others.

a. copyright b. trademark c. domain name d. Web host

All layers in a Photoshop file are listed on the ____________________ panel.

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