Practice Quiz

ASVAB Science and Tech Practice Questions

Category - Technology/Engineering

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Which of the following statements best describes the functioning of an encoder in a mobile phone?
  1. an antenna captures a signal
  2. an LCD shows the number being dialed
  3. a microphone converts sound to an electrical signal
  4. a digital signal processor holds frequently dialed numbers
Explanation
Answer: C - a microphone converts sound to an electrical signal.
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