Digital signals have only two possible output variations.
Correct Answer:
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Q12: According to the National Electrical Code, lead-in
Q13: A basic antenna element is tuned to
Q14: The job of a transmitter is to
Q15: For a radio station to transmit an
Q16: The antenna element of a receiving dish
Q18: A half-duplex system can only transmit a
Q19: What is roaming?
A) Communicating without actually making
Q20: What standard provides a short-range communication link
Q21: Match the description in the left column
Q22: Match the description in the left column
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