Thursday, February 17, 2011

Machine Control: Activity 3.1.1 Inputs and Outputs

















1. Examine the wire diagram on the mini switch and describe how the diagram relates to the concepts of normally open and normally closed.
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2. If computers only understand digital signals, then how is a computer able to interpret the analog signals coming from the interface?
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3. Why does resistance decrease as the NTC Resistor becomes warmer?
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