working process of modem
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A modem is typically used to send digital data over a phone line. The sending modem modulates the data into a signal that is compatible with the phone line, and the receiving modem demodulates the signal back into digital data. Wireless modems convert digital data into radio signals and back.
As we know that the computers can’t understand our language. Computers understand the language of 0’s and 1’s i.e. digital form. The modem will modulate the signal into a sine wave. So, this modulated digital signal can easily run over the telephone lines. Then the signal will reach the IP hub. After this the demodulation of the signal will take place into digital form. Then you will be connected to the internet. All these processes are performed by modem at extremely high speeds. The speed of the modem depends upon the number of the available access lines and the technology of the modem.
Today’s the modems are of very high speeds. But some people are still using the slow speed modems having speed nearly 56kbps.
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