Practice Quiz

MCAS Science, Technology/Engineering Practice

Category - Technology/Engineering

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Which of the following is the best example of a transmitter functioning in a communication system?
  1. A fax machine prints out an image.
  2. A satellite dish on the ground receives a video signal.
  3. A computer processor translates a digital signal to an analog signal.
  4. A cellular telephone tower sends information to a cellular telephone.
Explanation
Answer: D - A cellular telephone tower sends information to a cellular telephone.
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