Question 1 :
A light sensor (photoresistor) is an analog sensor.
Answer : True
Question 2 :
A microphone is a digital sensor.
Answer : False
Question 3 :
A push button is an analog sensor.
Answer : False
Question 4 :
A keyboard is a digital sensor.
Answer : True
Question 5 :
Which of the following components are actuators? Select all that apply.
Answer :
a servo motor
an LED
a heating element
Question 6 :
The component of an embedded system that executes a program is:
Answer : a microcontroller
Question 7 :
An analog-to-digital converter is common in embedded systems because
Answer : many sensors are analog while the microcontroller is digital.
Question 8 :
Consider the anti-lock braking system in a car. What are the main sensors and actuators of this system from the perspective of the driver?
Answer : brake pedal and brake calipers and pads