The main difference between synchronous and asynchronous transmission

1.	The main difference between synchronous and asynchronous transmission is
A.	the clocking is derived from the data in synchronous transmission
B.	the clocking is mixed with the data in asynchronous transmission
C.	the pulse height is different.
D.	the bandwidth required is different
E.	None of the above
Answer» B. the clocking is mixed with the data in asynchronous transmission

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The main difference between synchronous and asynchronous transmission is

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