Multiple choice

The ______ converts digital signals to analog signals for the purpose of transmitting data over telephone lines.

  1. modem

  2. router

  3. gateway

  4. bridge

  5. All of the above
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A Correct answer
Explanation

A modem (modulator-demodulator) converts digital computer signals to analog signals for transmission over telephone lines, then converts analog signals back to digital at the receiving end. This enables digital devices to communicate over analog phone infrastructure.

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