Every Field Set Must Contain the _____ Element,which Should Have

question 53

Multiple Choice

Every field set must contain the _____ element,which should have only text and no nested elements for describing its content.

• A) ​legend
• B) ​enctype
• C) ​script
• D) ​form

---

Definitions:

Human-Machine Interface

The user interface in industrial control systems that allows humans to interact, monitor, and communicate with machinery and processes.

Actuators

Devices that convert electrical signals into physical movement or action, often used in industrial machinery to move or control mechanisms.

Sensors

Devices that detect and respond to some type of input from the physical environment, such as temperature, light, pressure, etc.

Electric Brake

A device that uses electrical energy to apply mechanical resistance for slowing or stopping motion.