Multiple choice general knowledge science & technology

The device that converts bits and bytes into signals that can travel over telephone lines and vice versa is called?

  1. Sensor

  2. Modem

  3. Transister

  4. None of the Above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A modem (modulator-demodulator) converts digital signals (bits and bytes) into analog signals for transmission over telephone lines and performs the reverse conversion when receiving. Sensors detect physical quantities, and transistors are electronic components.

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