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MCQ Practice Question

A 5-bit binary counter starts at 00000. After 31 input pulses its state is 11111. After the next pulse its state becomes?

A00000
B00001
C10000
D11110

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Correct Answer: A. 00000

Explanation: A 5-bit counter has 32 states, 0 through 31. After 11111, the next pulse causes rollover to 00000.

Reference: Standard digital electronics: binary counter rollover

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