Exam-style question
Try this first
Which definition best describes baud rate?.
- A.The number of bits transmitted per second
- B.The number of signal changes per second
- C.The delay before data transmission begins
- D.The set of rules used for communication
Model answer
What a good answer should say
- The number of signal changes per second
Explanation
Why this works
Baud rate measures the number of signal changes made each second. Bit rate measures the number of bits transmitted each second, so the two measures are not always equal.
Common mistake
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