Computer Networking
ASK, PSK, FSK, and QAM are examples of _____ encoding.

analog-to-analog
digital-to-analog
None of these
analog-to-digital
digital-to-digital

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Computer Networking
The main difference between synchronous and asynchronous transmission is

the pulse height is different.
the clocking is mixed with the data in asynchronous transmission
the clocking is derived from the data in synchronous transmission
the bandwidth required is different
None of these

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