Q98
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.
Interface
B.
Modem
AnswerC.
Attenuation
D.
Teleprocessor
E.
None of the above
Answer: Option B
Solution
Answer: Option B
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