Multiple choice

Which of the following is/are example(s) of analog communication method?

  1. Laser beam

  2. Microwave

  3. Voice grade telephone line

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All listed options represent analog communication methods. Laser beams transmit continuous light signals, microwave systems use analog electromagnetic waves, and voice-grade telephone lines carry analog voice signals over copper wires. Analog communication uses continuous signals rather than discrete digital values.

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