. An output gate is connected to four input gates; the circuit does not fun

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. An output gate is connected to four input gates; the circuit does not function. Preliminary tests with the DMM indicate that the power is applied; scope tests show that the primary input gate has a pulsing signal, while the interconnecting node has no signal. The four load gates are all on different ICs. Which instrument will best help isolate the problem?

Options:

A . Current tracer

B . Logic probe

C . Oscilloscope

D . Logic analyzer

Answer: Option A

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