A Graphical System Used to Capture the Nature and Relationships

question 50

Multiple Choice

A graphical system used to capture the nature and relationships among data is called a(n) :

• A) logical data model.
• B) hypertext graphic.
• C) ERD.
• D) data model.

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Definitions:

Hydroxyl Group

A functional group consisting of an oxygen atom bonded to a hydrogen atom (-OH) and found in alcohols and phenols.

Functional Groups

Certain assemblages of atoms found in molecules which determine the characteristic chemical behaviors of those molecules.

Alcohol

An organic compound characterized by one or more hydroxyl (-OH) groups attached to a carbon atom.

Six-membered Ring

A term used in organic chemistry to describe cyclic compounds that consist of six atoms in their rings, with benzene being a prime example.