When scoring oral reasons classes, the top score is _____ points.
a. 50 c. 10
b. 25 d. 5
a. 50
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When testing a “live” 120-volt receptacle using a voltage tester, you should get a 120-volt reading when measuring from the ungrounded conductor connection (short slot) to the grounding conductor connection (U-shaped slot).
a. True b. False
What are the general training requirements for employees who will perform asbestos work?
What will be an ideal response?
A positive edge-triggered J-K flip-flop is used to produce a two-phase clock. However, when the circuit is operated it produces erratic results. Close examination with an oscilloscope reveals the presence of glitches. What might be the source of these glitches?
A) A race condition exists between the Q and Q outputs to the AND gate. B) The PRESET and CLEAR terminals may have been left floating. C) A race condition exists between the J and K inputs. D) A race condition exists between the CLOCK and the outputs of the flip-flop feeding the AND gate.
Digital representations of numerical quantities may BEST be described as having characteristics:
A) that vary in discrete steps in proportion to the values they represent. B) that vary constantly over a continuous range of values. C) that are difficult to interpret because they are continuously changing. D) that vary in constant and direct proportion to the values they represent.