Normally,a binary 1 represents the presence of a signal,while a binary 0 represents the absence of a signal.
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Q4: A gate is a device that:
A)allows current
Q7: On some PLCs,only one output is allowed
Q8: All gates are devices that have one
Q9: The binary concept makes use of the
Q10: Ladder logic is a graphical representation of
Q11: A two input OR function,expressed as a
Q14: One of the most common PLC programming
Q15: Only one input to an OR gate
Q16: All inputs to an AND gate must
Q17: The AND function,implemented using switches,will mean switches
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