34) What is the indication of a short to ground in the output of a driving gate?

Question

34) What is the indication of a short to ground in the output of a driving gate? 34) A) The node is stuck in the LOW state. B) There is a signal loss to all load gates. C) The affected node will be stuck in the HIGH state. D) Only the output of the defective gate is affected. 35) What is the indication of a short on the input of a load gate? 35) A) Only the output of the defective gate is affected. B) There is a signal loss to all gates on the node. C) The affected node will be stuck in the LOW state D) Both B and C are correct. LOGIC PROBE LOGIC PROBE LOGIC PROBE Figure 5-5 36) Based on the indications of probe A in Figure 5-5, what, if anything, is wrong with the circuit? 36) A) The output appears to be LOW, but is being pulsed by the pulser B) The logic probe is unable to determine the state of the circuit at that point and is blinking to alert the technician to the problem. The output appears to be shorted to Vcc, but is being pulsed by the pulser. D) Nothing appears to be wrong at that point. 37) Based on the indications of probe C in Figure 5-5, what, if anything, is wrong with the circuit? A) Pin 5 on the right-hand IC appears to be open. B) The gate being tested has not been connected to Vcc and ground. The gate appears to be working correctly D) Pin 6 on the right-hand IC is shorted to ground.

Explanation / Answer

Q. 34

Answer. B. There is a signal loss to all load gates.

Q.35

Answer. D. Both B and C are correct.

Q.36

Answer. D. Nothing appears to be wrong at that point.

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