When a 500-hertz signal modulates a 1-megahertz carrier, the 1-megahertz carrier and what two other frequencies are transmitted?
A. 500 and 999,500 hertz
B. 500 and 1,000,500 hertz
C. 999,500 and 1,500,000 hertz
D. 999,500 and 1,000,500 hertz
Show Answer
Answer: D
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