Which of the following communication standard is used in serial communication data acquisition system?

Data acquisition system is a combination of tools or processes used to gather, analyze and record Information about some phenomenon. Different data acquisition system are used depends on the location, speed, cost. etc. Serial communication data acquisition system is used when the actual location of the data is at some distance from the computer.

Which of the following communication standard is used in serial communication data acquisition system?
A . RS422
B . RS423
C . RS232
D . RS231

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Answer: C