Computer Networking
"BAUD" rate means

The number of bits transmitted per unit time.
None of these
The rate at which the signal changes.
The number of bytes transmitted per unit time.

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Computer Networking
Demodulation is the process of

converting analog signals to digital signals
dividing the high-speed signals into frequency bands
converting digital signals to analog signals
None of these
combining many low speed channels into one high speed channel

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