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Unformatted text preview: 10. How is the operation of a stepper motor different from the operation of conventional DC or AC motors? 11. What is a solenoid? 12. What is the difference between a hydraulic actuator and a pneumatic actuator? 13. Briefly describe the three phases of the analog-to-digital conversion process? 14. What is the resolution of an analog-to-digital converter? 15. Briefly describe the two steps in the digital-to-analog conversion process? 16. What is the difference between a contact input interface and a contact output interface? 17. What is a pulse counter?...
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- Spring '11