What Type of Device Is Shown on the Left in the Accompanying

question 34

Multiple Choice

What type of device is shown on the left in the accompanying figure?

• A)input
• B)output
• C)storage
• D)system

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Definitions:

Pressure Switch

A device that activates or deactivates electrical contact in response to changes in pressure level.

Proximity Switch

A sensor that detects the presence or absence of an object without physical contact, usually used in industrial applications to control machinery.

Capacitor Proximity Sensors

Sensors that use the capacitance change principle to detect the presence or absence of objects, often used in material handling and level control applications.