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What is the part of the PLC called where inputs and outputs are connected?

• Memory

• Input/output interface

• Processor

• Power supply

Where does PLC stores its program?

• Input device

• Power supply

• Programming device

• Memory

Which of the following is a PLC input device?

• Fan

• Motor

• Sensor

• Light

Which of the following is NOT part of a basic PLC system?

• Relay box

• Power supply

• Memory

• CPU

Which of the following is an output device?

• Keypad

• Distance sensor

• Sound sensor

• Motor

A PLC is a computer used for industrial automation.

• True

• False

• None of the above

Which of the following is the application of PLC?

• Wending machines

• Automatic door

• Cereal filling systems

• All of the above

Which of the following is an example of discrete (digital) control?

• Turning a lamp ON or OFF

• Varying the brightness of a lamp

• Varying the volume of a music system

• Controlling the speed of a fan 

What are solenoids, lamps, and motors connected to?

• Analog input

• Analog output

• Digital input

• Digital output

Gear Box is used to decrease the speed and increase the torque.

• True

• False

• None of the above