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Description:
Modems:
An Introduction
The middlemen between the computer and the telephone system
Convert analog data suitable for transmission over a phone line to digital data suitable for a computer (modulator/demodulator)
Can be either an external device or an internal device that is installed in an expansion slot inside a computer
A phone line connects to a modem or telephone using either an RJ-11 or older RJ-12 connector
We want connect one computer to another computer by internet then we can use the modem
Modem Types
Telephone modem
Optical Modem (Optical fiber)
Cable modem
DSL Modem
etc
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