25
QuizMultiple Choice

N/A — Exam

Question 25 • Physical Science

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

Answer
A
digital
B
infrared
C
analog
D
radio

Explanation

A signal that varies continuously is an analog signal. Since Finley is transmitting a continuous sound wave, he is sending an analog signal; digital signals use discrete values instead.

AI-written and checked against the verified answer.

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