Which of the following statements best describes an asynchronous digital system?
A) It is difficult to design and troubleshoot because the output cannot change states unless a clock input is synchronized to the SET and CLEAR inputs.
B) It is easy to design and troubleshoot because the exact times at which the output can change states is determined by a clock signal.
C) It is easy to design and troubleshoot because the output state is independent of the inputs.
D) It is difficult to design and troubleshoot because the output can change states anytime one or more of the inputs change.
D
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The vehicle above will ________.
a. Pull toward the right and feather-edge both tires b. Pull toward the left c. Wear the outside of the left tire and the inside of the right tire d. None of the above
Which category of construction is characterized by many small companies and great instability during economic recessions?
a. Residential b. Building construction c. Industrial d. Heavy construction
If there is a hazardous liquid or gas leak, personnel should first ________
A) shut down the pipeline B) try to isolate the leak C) evacuate the area D) notify the control center
Division 2 includes
A. site work B. Equipment C. Mechanical D. General Requirments