The subsequent problems deal with the circuit below where the preset and clear features operate based on positive logic (i.e., they are "active high"), which is not the standard convention.
Note: Each question is independent and doesn't depend on results from previous questions. The only values known initially are the values provided in each question.When R=0, C=0, and L changes from 0 to 1, the output X
A. is uncertain
B. toggles regardless of its value
C. remains unchanged (regardless of whether the initial value is 0 or 1)
D. becomes (or remains) 1
E. becomes (or remains) 0
Answer: D
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