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Question

Which modulation technique is preferred for medium speed communication range upto 1200 to 2400 bits per second ?

  1. Amplitude modulation
  2. Frequency modulation
  3. Phase modulation
  4. None of these

Answer:

Option C: Phase modulation

Detailed Solution:

The correct answer is “Phase modulation”.

Phase Modulation (PM) — especially Phase Shift Keying (PSK) — is preferred for medium-speed digital data (like 1200–2400 bps).