11. Which of the following is an example of an embedded system that is used in medical devices?
A. A pacemaker
B. A microwave oven
C. A smartwatch
D. A home security system
12. Which of the following is an example of an embedded system that is used in transportation?
A. A digital camera
B. A smart thermostat
C. A traffic light controller
D. A home theater system
13. Which of the following is an example of an embedded system that is used in industrial automation?
A. A digital camera
B. A smart speaker
C. A robotic arm controller
D. A smart refrigerator
14. Which of the following is an example of an embedded system that is used in consumer electronics?
A. A traffic light controller
B. A heart rate monitor
C. A smart thermostat
D. A home security system
15. What is the purpose of a watchdog timer in embedded systems?
A. To monitor the temperature of the system
B. To monitor the voltage of the system
C. To ensure that the system is running properly and reset it if necessary
D. To provide an interface for the user to interact with the system
