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1. This circuit is a ___?

1. This circuit diagram.jpgis a ___?



a. edge triggered device

b. level triggered device

c. positive edge triggered circuit

d. design that requires no clock



2. This flip‐flop can latch its output. Explain the concept of latching.



3. (T/F) The outputs Q and Q' should be complementary.



4. If both the A (Set) and B (Reset) inputs of the circuit shown diagram.jpgare set high, the output is

invalid. The high on both inputs is also called a "race" condition. Can you arrive at a reason why it might

be called a "race" condition?



5. (T/F) The clocked SR flip‐flop (along with the other flip‐flops) can remember its last condition based on

feedback.



6. What is the output seen on Q and Q' if 0 is applied to A (Set) and B (Reset) and a clock pulse is

present?



7. Using a 7404 (or 7414) and a 7408, draw a circuit that could be used as an edge detector (positive or

negative).

diagram.jpg

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