A(n) ____ Depicts User Requirements for Data Stored in a Database

question 20

Multiple Choice

A(n) ____ depicts user requirements for data stored in a database.

• A) data model
• B) entity-relationship model
• C) E-R diagram
• D) all of the above

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Definitions:

RMS

Root Mean Square, a statistical measure of the magnitude of a varying quantity, used especially in electrical engineering to quantify the average voltage or current of alternating current (AC).

Full-wave

A method or device that converts the entire cycle of an AC waveform into a unidirectional flow of current.

Zero

A numeral representing the absence of any quantity or value; in mathematics and physics, it is considered a point of reference.

Peak-to-peak

A term used to describe the difference between the highest and the lowest values of a waveform, indicating its overall amplitude variation.