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
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Logic Probe » Exercise - 1 1. A simple-to-use instrument often used to detect logic levels is the ________. (a) logic meter (b) logic pulser (c) logic probe (d) logic comparator
555555555563. The output of an OR gate with three inputs, A, B, and C, is LOW when ________. (a) A = 0, B = 0, C = 0 (b) A = 0, B = 0, C = 1 (c) A = 0, B = 1, C = 1 (d) all of the above
555555555525. A common instrument used in troubleshooting a digital circuit is a(n) ________. (a) logic probe (b) oscilloscope (c) pulser (d) all of the above