Information about a document such as the name of the document author, the file name, and key-words are called document ________

Inheritance is

a) a mechanism that uses generalization/specialization relationships. b) a mechanism for relating classes and objects. c) a relationship that establishes levels in a class hierarchy. d) a mechanism to share identifications and descriptions.

List four techniques for comparing the costs and benefits of a proposed system.

What will be an ideal response?