What modem is made of

Transmits data over a telephone line by modulating a signal.

• Modem chip — has part. It turns bits into tones and back.
• Digital signal processor — has part. Signal processing in high-speed modems.
• Phone line jack — has part. Connection to the telephone line.
• Telephone — uses. It works over a telephone line.
• Bit and information theory — uses. It encodes bits as sound.
• Amplitude and frequency modulation — uses. It encodes bits by modulation.
• Silicon — is made of. The chips are silicon.

Modem

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