Suppose the members of a project team sketch the home page and a template for each of the four levels in the site. They then create prototypes for a single page on each level, and each page is reachable from the prototyped page one level above it. What type of prototype is this?

______ describes the ability of a class to derive properties from a previously defined class.

a) Encapsulation b) Inheritance c) Polymorphism d) Information hiding

When program software is distributed free with the code or computer instructions available for anyone to modify, it is called:

A) freeware. B) code independent software. C) a distributed system. D) open source software.