Question: 1. Descriptive questions (11 points) i. What is a sensor? (1 point) ii. What is the difference between an analog sensor and a discrete sensor?

1. Descriptive questions (11 points)

i. What is a sensor? (1 point)

ii. What is the difference between an analog sensor and a discrete sensor? (1 point) iii. What is thedifference between an active sensor and a passive sensor? (1 point) iv. Name the two main components of anelectric motor. (1 point) v. In a DC motor, what is acommutator? (1 point) vi. What is asolenoid? (1 point) vii. What is the difference between ahydraulic actuator and a pneumatic actuator?

(1 point)

viii. Briefly describe the three phases of the analog-to-digital conversion process?

(2 points)

ix. Briefly describe the two steps in the digital-to-analog conversion process?

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