Sensors and Actuators

An actuator is a ...

• Digital device that senses movement

• Digital device that produces movement

• Analogue device that senses movement

• Analogue device that produces movement

Which of these is NOT an actuator

• DC Motor

• Servo

• Thermocouple

• Solenoid

Which of these actuators mainly produces precise rotary motion

• DC Motor

• Servo

• Solenoid

• Rack and Pinion

What type of actuator would be best suited to operating a robot arm?

• Servo

• Solenoid

• DC Motor

• None of the above

All electric currents produces a magnetic field

• True
• False

The area of magnetic force around a magnet is known as its

• magnet

• magnetic area

• magnetism

• magnetic field

What is this actuator name?

• Speaker

• LED Lights

• Micro Motor DC

• Light sensor

Inputs are

• Speaker

• Mouse

• Keyboard

• Printer

Processing is

• Printer

• CPU

• Mouse

• Keyboard

Outputs are:

• Mouse

• Screen

• Speaker

• Keyboard

• Printer