Which of the Following Is True with Regards to REA

question 93

Multiple Choice

Which of the following is true with regards to REA diagrams and relational databases?

• A)A well-designed relational database is the starting point for creating an REA diagram.
• B)A well-designed REA diagram minimizes update,insert or delete anomaly problem when the diagram is implemented into a relational database.
• C)REA diagrams and database design are generic across organizations.
• D)The design of a relational database is specific to the organization being modeled.

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Definitions:

Output Interface Module

A component within an automation system that processes control signals from a PLC or processor to drive external devices.

Load Devices

Equipment or components that consume electrical power in a circuit, typically transforming it into another form of energy like light, heat, or motion.

Field Input Devices

Devices that provide input to control systems from the physical environment, including sensors, switches, and buttons.

Internal Input Instructions

Specialized instructions in a PLC program to manipulate internal bits or flags that are not directly linked to physical inputs.