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A 4-bit synchronous binary counter is clocked at 16 MHz. The most significant bit output repeats at approximately?

  • A16 MHz
  • B8 MHz
  • C2 MHz
  • D1 MHz
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Correct Answer: D. 1 MHz
Explanation: In a 4-bit binary counter, the MSB frequency is the input clock divided by 2^4. Thus 16 MHz / 16 = 1 MHz.
Reference: Standard digital electronics: counter frequency division
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