Digital Signal Processing

Q1: The resolution of a 6-bit DAC is ________.

A 63%

B 15.9%

C 1.59%

D 64%

ANS:D - 1.59%

% resolution = (step size / full scale ) * 100

Now n bit DAC has total 2^n values possible with total 2^n -1 steps to reach full scale value from smallest value, with each step of 1 unit. therefore
resolution = (1/2^n-1)*100

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