All of the Following Are Tools for Representing the Logical

question 19

Multiple Choice

All of the following are tools for representing the Logical To-Be model of an information system except a(n) :

• A) program chart.
• B) data dictionary.
• C) entity-relationship diagram.
• D) data flow diagram.

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Definitions:

Pentane

A straight-chain alkane with the formula C5H12, used as a solvent in the laboratory and as a standard in certain types of chromatography.

Mass Spectrum

A graph or chart that displays the distribution of ions by mass in a sample, providing information about the molecular weight and structure of compounds.

Cyclopentanol

A cyclic alcohol with the formula C5H9OH, characterized by a five-membered ring structure with an attached hydroxyl group.

Peak

The highest point or maximum value of a graph, often used in reference to spectra in analytical chemistry indicating a specific property.