Which common digital circuit is bistable?
AnswerA flip-flop.
A flip-flop has two stable states and can store one bit of information.
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E7 · Practical Circuits
Amateur Extra · correct answers only, in question-pool order.
What does a decade counter do?
AnswerIt produces one output pulse for every 10 input pulses.
A decade counter cycles through ten states, so an appropriate output provides divide-by-ten behavior.