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Question

Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

a.

Modem

b.

Interface

c.

Attenuation

d.

Teleprocessor

Posted under Networking

Answer: (a).Modem

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Q. Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of...

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