The duty cycle of the most significant bit from a 4-bit (0–9) BCD counter is ________.-A-10%B-20%C-50%D-80%-B-20%

Question

APTITUDE CRACK · Accepted Answer

B 20% There are 10 states out of which MSB is high only for (1000, 1001) 2 times. Hence duty cycle is 2/10*100 = 20%.

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