Electronics Engineering Question:
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What is the Value of binary number with n digit, all of which are unity?
a) 2 to the power n
b) 2 to the power (n-1)
c) (n square) - 1
d) (2 to the power n) - 1
Answer:
The answer is D
For eg. consider 1111 which has 4 digits
2^4=16
(2^4)-1=15
For eg. consider 1111 which has 4 digits
2^4=16
(2^4)-1=15
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