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प्रश्न
What do you mean by a modem? Why is it used?
टीपा लिहा
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उत्तर
Modem stands for ‘Modulator DeModulator’. It refers to a device used for conversion between analog signals and digital signals.
The modem converts digital signals to analog signal (audio frequency) tones which are in the frequency range that the telephone lines can transmit and also it can convert transmitted tones back to digital information.
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