Maximum range of bit-count in n-bit binary counter of 'n' number of flipflops

Q.  What is the maximum possible range of bit-count specifically in n-bit binary counter consisting of 'n' number of flipflops?
- Published on 19 Oct 15

a. 0 to 2n
b. 0 to 2n-1
c. 0 to 2n+1
d. 0 to 2n+1 / 2

ANSWER: 0 to 2n-1

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