The invalid (race) input combination of an SR flip-flop using NOR gates is:
2025
The invalid (race) input combination of an SR flip-flop using NOR gates is:
- A.
S = 0, R = 0
- B.
S = 0, R = 1
- C.
S = 1, R = 0
- D.
S = 1, R = 1
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Correct answer: D
In a NOR-gate SR latch, setting S = 1 and R = 1 drives both outputs low and creates the invalid race condition.