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Digital ElectronicsTiming & Clock

A T flip-flop is driven by a 1 MHz clock and toggles on every active clock edge. Its output frequency is?

  • A2 MHz
  • B1 MHz
  • C500 kHz
  • D250 kHz
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Correct Answer: C. 500 kHz
Explanation: A toggling flip-flop changes state once per clock edge and completes one output cycle in two clock periods, dividing frequency by 2.
Reference: Standard digital electronics: frequency division
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