Bits can be send over guided and unguided media as analog signal by___________________?
Correct answer: A. digital modulation
- A. digital modulation
- B. amplitude modulation
- C. frequency modulation
- D. phase modulation
Explanation
Digital modulation represents digital bits by changing an analog carrier's characteristics, such as amplitude, frequency, or phase. Amplitude, frequency, and phase modulation are individual forms of this broader process.
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