Modem(Modulate and demodulate)

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Presentation transcript:

Modem(Modulate and demodulate) Input/Output device Converts digital data from computer to analog for transmission over telephone line is modulation Convert analog from line is converted back to digital by modem for computer at another point is demodulation. Visit for more Learning Resources

MODEM Is communication equipment used for long distance data transfer thru telephone line. Pair of modem is used at both ends

For more detail contact us Types Internal Standalone board plugs directly into ISA/PCI slot of PC Contains its own UART universal synchronuous receiver/transmitter as serial port. External Standalone device connected to serial port(com1/2) of system. Works same as internal , difference is it uses M/B UART to convert serial to parallel and vice versa for bit conversion. For more detail contact us