Logic Probe – 4

4. A logic probe is placed on the output of a gate and the display indicator is dim. A pulser is used on each of the input terminals, but the output indication does not change. What is wrong ?

(a) The gate may be a tri-state device.
(b) The output of the gate appears to be open.
(c) The dim indication is a result of a bad ground connection on the logic probe.
(d) The dim indication on the logic probe indicates that the supply voltage is probably low.

Answer : (b)

Explanation : No answer description available for this question. Let us discuss.

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