Which of the following devices converts computer output data into an analog form that can be transmitted over a telephone line?

Question

Which of the following devices converts computer output data into an analog form that can be transmitted over a telephone line?

1. A. Multiplexer
2. B. Modulator
3. C. Teleport
4. D. Modem (Correct answer)

Correct Answer

Option D — Modem

Detailed Solution & Explanation

The correct answer is Modem.

Key Points

• A modem (modulator-demodulator) converts digital computer data into analog signals for transmission over telephone lines (modulation) and converts incoming analog telephone signals back into digital data (demodulation).