Which of the Following Contains a Unique Value for Each

question 99

Multiple Choice

Which of the following contains a unique value for each record?

• A) primary key
• B) lookup field
• C) input mask
• D) metadata

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Definitions:

Motor Control Circuits

Electrical circuits specifically designed to control the performance and operation of electric motors, including starting, stopping, and speed control.

Hand-off-automatic Circuit

A control circuit configuration that allows an operator to select between manual, off, or automatic operation of a device or system.

Operator

An individual or entity that controls, manages, or manipulates machinery, equipment, or systems.

Pilot Device

A manual or automatic device that provides control input to a more complex system, often used to initiate, modulate, or stop functions.