What letter indicates a connection between terminals?
A. A
B. F
C. O
D. X
Answer: D
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Which of the following building materials is most renewable?
A) Aluminum B) Wood C) Natural stone D) Iron
The underlined part of this thread note, 1/2–13UNC–2A, means:
a. threads per inch b. major diameter c. thread series d. class of fit
The temperature of a motor rises to 
C above room temperature. The room temperature is 
C. What will a Fahrenheit thermometer read? Carry the answer to one decimal place.
Fill in the blank(s) with the appropriate word(s).
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.