Discussion
A logic analyser is preferred to an oscilloscope when the question concerns
Answer: A
Correct answer: the timing relationship among many digital lines
A logic analyser samples many channels at once and displays them against a common time base, so it answers questions about sequence and relative timing - whether the chip select fell before the clock, whether the bus settled before the strobe. An oscilloscope shows the analogue detail of one or a few signals, which is what is wanted for rise times, amplitudes and noise.
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