A(n) ____________________ is a malicious program that replicates itself constantly without requiring another program environment.

____________________ was based on the UNIX operating system and originally set the standard for graphical user interfaces.

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

Typically, customers purchase licenses that give them the right to use software under the terms of the license agreement.

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