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Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
Back to Practice Questions
ElectricalMicroprocessor
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How can the direction of the DC motor be changed?

A

by changing the torque

B

by changing the switching speed

C

by changing the polarity of voltages connected to the leads

D

by changing the RPM rating

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 How many pins of the 8255 can be used as the I/O ports?
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