Technician A says that an electronic throttle control uses a ...

[Alainaaa8]

Technician A says that an electronic throttle control uses a stepper motor. Technician B says that an electronic throttle control uses a vacuum controlled stepper motor to keep the throttle at a 16-20 throttle opening. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Analog signals from sensors are changed to digital signals for processing by the computer through which type of circuit?
 
  A) Analog B) PROM C) AD converter D) Digital

[Mholman93]

Answer to Question 1

D

Answer to Question 2

C