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 dim indication is the result of a bad ground connection on the logic probe.
B) The gate may be a tri-state device.
C) The dim indication on the logic probe indicates that the supply voltage is probably low.
D) The output of the gate appears to be open.
D
You might also like to view...
What are the four elements a plaintiff must establish to prove a defendant was negligent?
What will be an ideal response?
Modern hydraulic cements require certain safety precautions because they _____.
a. are acidic b. give off noxious fumes as they set c. produce steam as they cure d. can cause caustic burns
A thermal system overload may occur if a specific electrical or mechanical component is not cooled properly, resulting in ____.
A. underload B. failure C. stagnation pressure D. ?overheating
When loading a trailer, if the cargo is loaded all to the rear, it may result in:
a. Damage to steering axle. b. Wheel lockup. c. Poor traction on drive wheels. d. None of the above.