Which of the following statements is incorrect?

1.	Which of the following statements is incorrect?
A.	The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission
B.	Half-duplex line is a communication line in which data can move in two directions, but not at the same time.
C.	Teleprocessing combines telecommunications and DP techniques in online activities.
D.	Batch processing is the preferred processing mode for telecommunication operations
E.	None of the above
Answer» E. None of the above

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Which of the following statements is incorrect?

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